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# HARDLOCK Official

Lead manufacturer of self-locking nuts

## Posts

- [Founder Katsuhiko features in Newsweek Magazine](https://hardlock-nut.com/2023/07/24/45256/)
- [Attendance at CORE 2023 Conference in Melbourne, Australia](https://hardlock-nut.com/2023/06/29/attendance-at-core-2023-conference-in-melbourne-australia/) - The latest innovations and connections made by HARDLOCK at CORE 2023. Explore groundbreaking advancements in railway technology and industry collaboration.
- [New Year’s Holidays Closure from December 28, 2024 – January 6, 2025](https://hardlock-nut.com/2024/12/11/new-years-holidays-closure-from-december-28-2024-january-6-2025/)
- [Summer Holidays Closure from August 10 ~ August 18](https://hardlock-nut.com/2024/08/01/summer-holidays-closure-from-august-10-august-18/)
- [Notice of Closure: May 3 ~ 5 "Golden Week Holidays "](https://hardlock-nut.com/2023/05/02/notice-of-closure-may-3-5-golden-week-holidays/) - HARDLOCK Industry Co., Ltd. will be closed for the Golden Week holidays from May 3 to May 5, 2023. Apologies for any inconvenience.
- [Egypt Seminar reaches over 150 engineers](https://hardlock-nut.com/2022/11/18/egypt-seminar-2022/)
- [Summer Holidays Closure from August 10 ~ August 16](https://hardlock-nut.com/2022/07/04/summer-holidays-closure/)
- [Shipping suspended from June 29 ~ June 30 for inventory count](https://hardlock-nut.com/2022/06/29/shipping-suspended-from-june-29-june-30-for-inventory-count/)
- [Come see our Exhibit at Mass-Trans Innovation ( 25 ~ 27 May 2022 at INTEX OSAKA)](https://hardlock-nut.com/2022/05/10/come-see-our-exhibit-at-mass-trans-innovation-25-27-may-2022-at-intex-osaka/)
- ["Meti Kansai" published an article on HARDLOCK`s Design Management Initiative](https://hardlock-nut.com/2022/05/10/meti-kansai-published-an-article-on-hardlocks-design-management-initiative/)
- [Golden Week Holiday Closure](https://hardlock-nut.com/2022/04/18/golden-week-holiday-closure-2/)
- [Hardlock Nut was included in “SHAKAIKA SHIRYOU 2016″.](https://hardlock-nut.com/2016/06/09/hardlock-nut-was-included-in-shakaika-shiryou-2016″/)
- [We have added page for planned exhibition.](https://hardlock-nut.com/2016/08/22/we-have-added-page-for-planned-exhibition/)
- [” 22nd MECHANICAL COMPONENTS&MATERIALS TECHNOLOGY EXPO “](https://hardlock-nut.com/2018/06/04/22nd-mechanical-componentsmaterials-technology-expo/)
- [“1st Maintenance & Resilience TOKYO2016”](https://hardlock-nut.com/2016/07/19/1st-maintenance-resilience-tokyo2016/)
- [“19th MECHANICAL COMPONENTS & MATERIALS TECHNOLOGY EXPO KANSAI”](https://hardlock-nut.com/2016/10/03/19th-mechanical-components-materials-technology-expo-kansai/)
- [” 21st MECHANICAL COMPONENTS&MATERIALS TECHNOLOGY EXPO “](https://hardlock-nut.com/2017/05/15/21st-mechanical-componentsmaterials-technology-expo/)
- [“KOREA 2017 METALWEEK”](https://hardlock-nut.com/2017/10/19/korea-2017-metalweek/)
- [” 20th mechanical components&materials technology expo”](https://hardlock-nut.com/2016/06/22/20th-mechanical-componentsmaterials-technology-expo/)
- [”Inno Trans2018”](https://hardlock-nut.com/2018/09/22/inno-trans2018/)
- [HARDLOCK nut was introduced in British magazine FAST, as an innovative solution for solving bridge noise problems](https://hardlock-nut.com/2007/01/01/hardlock-nut-was-introduced-in-british-magazine-fast-as-an-innovative-solution-for-solving-bridge-noise-problems/)
- [Three company products-the hard lock nut, hard lock bearing nut and space lock nut-featured in an article titled “Five New Brand Name Products from Higashi-Osaka” in the Yomiuri Shimbun.](https://hardlock-nut.com/2007/05/01/three-company-products-the-hard-lock-nut-hard-lock-bearing-nut-and-space-lock-nut-featured-in-an-article-titled-five-new-brand-name-products-from-higashi-osaka-in-the-yomiuri-shimbu/)
- [Featured in a Seoul financial newspaper as one of the best companies among small and medium-sized Japanese enterprises.](https://hardlock-nut.com/2010/02/01/featured-in-a-seoul-financial-newspaper-as-one-of-the-best-companies-among-small-and-medium-sized-japanese-enterprises/)
- [HARDLOCK President Wakabayashi invited as a guest to give a speech at the ceremony for the Merit Award of the third Monodzukuri Nippon Grand Award](https://hardlock-nut.com/2009/08/01/hardlock-president-wakabayashi-invited-as-a-guest-to-give-a-speech-at-the-ceremony-for-the-merit-award-of-the-third-monodzukuri-nippon-grand-award/)
- [Selected as one of the “100 most active manufacturing companies in Kansai of 2009″](https://hardlock-nut.com/2009/07/01/selected-as-one-of-the-100-most-active-manufacturing-companies-in-kansai-of-2009″/)
- [Atomic Energy Specification Sheet for the HARDLOCK Nut](https://hardlock-nut.com/2008/06/01/atomic-energy-specification-sheet-for-the-hardlock-nut-2/)
- [State Minister of National Strategy Motohisa Furukawa pays a visit to HARDLOCK as an inspection of an SME. After the visit, he sent a letter of appreciation.](https://hardlock-nut.com/2011/10/01/state-minister-of-national-strategy-motohisa-furukawa-pays-a-visit-to-hardlock-as-an-inspection-of-an-sme-after-the-visit-he-sent-a-letter-of-appreciation/)
- [President Wakabayashi receives the 26th Kansai Kokoro (Heart) Award](https://hardlock-nut.com/2013/10/07/president-wakabayashi-receives-the-26th-kansai-kokoro-heart-award/)
- [”AIMEX (Asia-Pacific’s International Mining Exhibition) 2017”](https://hardlock-nut.com/2017/09/01/aimex-asia-pacifics-international-mining-exhibition-2017-2/)
- [“National Industrial Fastener and Mill Supply Expo”](https://hardlock-nut.com/2017/10/19/national-industrial-fastener-and-mill-supply-expo/)
- [We have renewed our website](https://hardlock-nut.com/2018/04/25/we-have-renewed-our-website-2/)
- [This category has no posts yet](https://hardlock-nut.com/2018/01/01/this-category-has-no-posts-yet/)
- [New packaging and boxes](https://hardlock-nut.com/2007/07/21/new-packaging-and-boxes/)
- [Shift from Hexavalent Chromium to Trivalent Chromium](https://hardlock-nut.com/2007/07/21/shift-from-hexavalent-chromium-to-trivalent-chromium/)
- [Atomic Energy Specification Sheet for the HARDLOCK Nut](https://hardlock-nut.com/2008/06/01/atomic-energy-specification-sheet-for-the-hardlock-nut/)
- [HardLock’s M6 SS400 nuts were completely changed to HL-R in July](https://hardlock-nut.com/2008/08/01/hardlocks-m6-ss400-nuts-were-completely-changed-to-hl-r-in-july/)
- [Packaging labels change](https://hardlock-nut.com/2008/10/01/packaging-labels-change/)
- [”29th HIGASHI OSAKA EXPO – tekunomesse HIGASHI OSAKA – ”](https://hardlock-nut.com/2016/11/11/29th-higashi-osaka-expo-tekunomesse-higashi-osaka/)
- [“1st Next-generation Thermal Power Generation EXPO”](https://hardlock-nut.com/2017/03/01/1st-next-generation-thermal-power-generation-expo/)
- [A world-class inspection device was recently installed to inspect every product.](https://hardlock-nut.com/2008/10/01/a-world-class-inspection-device-was-recently-installed-to-inspect-every-product/)
- [HARDLOCK awarded the Order of the Rising Sun, Gold and Silver Rays in the national autumn conferment of decorations.](https://hardlock-nut.com/2009/11/03/hardlock-awarded-the-order-of-the-rising-sun-gold-and-silver-rays-in-the-national-autumn-conferment-of-decorations/)
- [HARDLOCK is proud to be a sponsor of the Japanese Olympics bobsleigh team, providing special-made titanium HARDLOCK Nuts. We hope that this will help shave time off the team’s speed.](https://hardlock-nut.com/2010/02/10/hardlock-is-proud-to-be-a-sponsor-of-the-japanese-olympics-bobsleigh-team-providing-special-made-titanium-hardlock-nuts-we-hope-that-this-will-help-shave-time-off-the-teams-speed/)
- [The HARDLOCK president is mentioned in an inspirational message sent to the next generation of inventors by the Japan Patent Office of the Ministry of Economy, Trade and Industry.](https://hardlock-nut.com/2010/12/07/the-hardlock-president-is-mentioned-in-an-inspirational-message-sent-to-the-next-generation-of-inventors-by-the-japan-patent-office-of-the-ministry-of-economy-trade-and-industry/)
- [Minister of Economy, Trade and Industry Masayuki Naoshima visited HARDLOCK Industry to observe our manufacturing plant.](https://hardlock-nut.com/2011/09/01/minister-of-economy-trade-and-industry-masayuki-naoshima-visited-hardlock-industry-to-observe-our-manufacturing-plant/)
- [The HARDLOCK president and his wife were invited by Japanese Emperor Akihito to the autumnal Garden Party in recognition for HardLock’s many product achievements in Japan and abroad.](https://hardlock-nut.com/2011/10/13/the-hardlock-president-and-his-wife-were-invited-by-japanese-emperor-akihito-to-the-autumnal-garden-party-in-recognition-for-hardlocks-many-product-achievements-in-japan-and-abroad/)
- [HARDLOCK receives the Grand Prize of the 10th Japan Innovators Award, sponsored by Nikkei BP.](https://hardlock-nut.com/2011/11/01/hardlock-receives-the-grand-prize-of-the-10th-japan-innovators-award-sponsored-by-nikkei-bp/)
- [Sanyo Homes begins sales of Smart E (Ecology/Energy), adding durability, earthquake resistance, safety and comfort to energy control and energy efficiency smart house functions. The HARDLOCK NUT was selected as part of their standard specifications.](https://hardlock-nut.com/2012/04/01/sanyo-homes-begins-sales-of-smart-e-ecologyenergy-adding-durability-earthquake-resistance-safety-and-comfort-to-energy-control-and-energy-efficiency-smart-house-functions-the-hardlock-nut-was-s/)
- [HARDLOCK begins work toward JISQ 9100 certification to the enter the aeronautics industry with a goal of acquisition in 2011.](https://hardlock-nut.com/2015/10/29/hardlock-begins-work-toward-jisq-9100-certification-to-the-enter-the-aeronautics-industry-with-a-goal-of-acquisition-in-2011/)
- [Sumitomo Mitsui Banking Corporation group visit us.](https://hardlock-nut.com/2016/06/09/sumitomo-mitsui-banking-corporation-group-visit-us/)
- [THE JAPAN-CHINA SOCITY, INC visits us.](https://hardlock-nut.com/2016/06/29/the-japan-china-socity-inc-visits-us/)
- [The TAKAOKA Chamber of Commerce and Industry Group visit us.](https://hardlock-nut.com/2016/07/29/the-takaoka-chamber-of-commerce-and-industry-group-visit-us/)
- [HIDA Party visits us.](https://hardlock-nut.com/2016/08/02/hida-party-visits-us/)
- [NIHON NICHIYO DAIKU CLUB Party visits us.](https://hardlock-nut.com/2016/08/05/nihon-nichiyo-daiku-club-party-visits-us/)
- [Takasaki High School of Gunma Prefectural Party visits us.](https://hardlock-nut.com/2016/09/10/takasaki-high-school-of-gunma-prefectural-party-visits-us/)
- [Fujiidera Municipal Elementary School party visit us.](https://hardlock-nut.com/2016/09/12/fujiidera-municipal-elementary-school-party-visit-us/)
- [Okayama Prefecture Industrial Promotion Foundation party visit us.](https://hardlock-nut.com/2016/10/07/okayama-prefecture-industrial-promotion-foundation-party-visit-us/)
- [Minamata municipal Midori-higashi junior high school visit us](https://hardlock-nut.com/2016/10/18/minamata-municipal-midori-higashi-junior-high-school-visit-us/)
- [Hyundai Powertech visit our factory.](https://hardlock-nut.com/2017/09/08/hyundai-powertech-visit-our-factory/)
- [Featured in “Leading the Way to the Era of Competition” in The Japan Industrial Journal](https://hardlock-nut.com/1997/09/01/featured-in-leading-the-way-to-the-era-of-competition-in-the-japan-industrial-journal/)
- [Featured in “Top 100 Most Innovative Kansai Area Machinery Manufacturers” in Nikkan Kogyo Shimbun, Ltd.](https://hardlock-nut.com/1998/03/01/featured-in-top-100-most-innovative-kansai-area-machinery-manufacturers-in-nikkan-kogyo-shimbun-ltd/)
- [Featured in “The Secret Behind Currently Successful Businesses” in Nikkan Gendai](https://hardlock-nut.com/1999/11/01/featured-in-the-secret-behind-currently-successful-businesses-in-nikkan-gendai/)
- [Live appearance on NHK (JAPAN Broadcasting Corporation) new Osaka building celebration show “Five Selections”](https://hardlock-nut.com/2001/11/01/live-appearance-on-nhk-japan-broadcasting-corporation-new-osaka-building-celebration-show-five-selections/)
- [Introduced on TBS Broadcaster’s Higashi-Osaka Special](https://hardlock-nut.com/2002/03/01/introduced-on-tbs-broadcasters-higashi-osaka-special/)
- [Company featured in “The Hidden Potential Behind the International City Osaka” in special spring edition in Keizaikai magazine.](https://hardlock-nut.com/2003/01/01/company-featured-in-the-hidden-potential-behind-the-international-city-osaka-in-special-spring-edition-in-keizaikai-magazine/)
- [President featured in Nikkan Kogyo Shimbun, Ltd.’s article “Building Tomorrow”](https://hardlock-nut.com/2003/01/01/president-featured-in-nikkan-kogyo-shimbun-ltd-s-article-building-tomorrow/)
- [Company advertisement posted at Honmachi Station of the Osaka Subway Chuo Line.](https://hardlock-nut.com/2003/02/01/company-advertisement-posted-at-honmachi-station-of-the-osaka-subway-chuo-line/)
- [President appears as a commentator for half a year on Kyoto Broadcasting System show “Asa-pika”](https://hardlock-nut.com/2003/04/01/president-appears-as-a-commentator-for-half-a-year-on-kyoto-broadcasting-system-show-asa-pika/)
- [Company featured in The Yomiuri Shimbun Evening Paper article “Waza-ari Kansai”](https://hardlock-nut.com/2003/04/01/company-featured-in-the-yomiuri-shimbun-evening-paper-article-waza-ari-kansai/)
- [Introduced in special report on small and medium sized business on TV Asahi SmaSTATION2](https://hardlock-nut.com/2003/04/24/introduced-in-special-report-on-small-and-medium-sized-business-on-tv-asahi-smastation2/)
- [Give an interview with former Hanshin Tigers Yutaka Enatsu in magazine Square 21](https://hardlock-nut.com/2003/07/01/give-an-interview-with-former-hanshin-tigers-yutaka-enatsu-in-magazine-square-21/)
- [President appears as a commentator for half a year on Osaka Broadcasting Corporation show “Vitamint”](https://hardlock-nut.com/2003/10/01/president-appears-as-a-commentator-for-half-a-year-on-osaka-broadcasting-corporation-show-vitamint/)
- [Company featured in The Economist supplement article “Powerful Marketing Models Winning Deflation-A Study of 300 Winning Companies”](https://hardlock-nut.com/2003/10/01/company-featured-in-the-economist-supplement-article-powerful-marketing-models-winning-deflation-a-study-of-300-winning-companies/)
- [Introduced on TV Tokyo “Gaia no Yoake” (The Dawn of Gaia)’s “Flying Towards the Future-Japan’s Technology” episode.](https://hardlock-nut.com/2003/10/01/introduced-on-tv-tokyo-gaia-no-yoake-the-dawn-of-gaias-flying-towards-the-future-japans-technology-episode/)
- [Introduced during NHK Ohayo Nippon’s special report on the first shipment of the Taiwan Shinkansen.](https://hardlock-nut.com/2004/01/01/introduced-during-nhk-ohayo-nippons-special-report-on-the-first-shipment-of-the-taiwan-shinkansen/)
- [President’s article introduced on Nikkan Kogyo Shimbun (22nd)](https://hardlock-nut.com/2004/01/01/presidents-article-introduced-on-nikkan-kogyo-shimbun-22nd/)
- [Live appearance on Television Osaka’s “Kansai Startup Special-Discussing Osaka’s Regrowth” as guest commentator representing small and medium sized businesses. Give an interview with Osaka’s Governor Oota on Osaka’s future](https://hardlock-nut.com/2004/02/01/live-appearance-on-television-osakas-kansai-startup-special-discussing-osakas-regrowth-as-guest-commentator-representing-small-and-medium-sized-businesses-give-an/)
- [President appears as a commentator for half a year on AM Kobe show “Baramaki Santa”](https://hardlock-nut.com/2004/04/01/president-appears-as-a-commentator-for-half-a-year-on-am-kobe-show-baramaki-santa/)
- [President appears as a commentator for half a year on AMK Radio Kansai show “Raji-o”](https://hardlock-nut.com/2004/10/01/president-appears-as-a-commentator-for-half-a-year-on-amk-radio-kansai-show-raji-o/)
- [Company featured in special spring edition of the magazine, Keizaikai’s article “Challenge towards Osaka’s Regrowth”](https://hardlock-nut.com/2005/01/01/company-featured-in-special-spring-edition-of-the-magazine-keizaikais-article-challenge-towards-osakas-regrowth/)
- [Company product introduced in Nippon Television Network’s show “The World’s Most Interesting Class”](https://hardlock-nut.com/2005/04/01/company-product-introduced-in-nippon-television-networks-show-the-worlds-most-interesting-class/)
- [President appears as a commentator for half a year on Kyoto Broadcasting System show “My World”](https://hardlock-nut.com/2005/07/01/president-appears-as-a-commentator-for-half-a-year-on-kyoto-broadcasting-system-show-my-world/)
- [Introduced on Tokyo Broadcasting System’s show Gatchiri Monday’s special report on screws](https://hardlock-nut.com/2006/02/01/introduced-on-tokyo-broadcasting-systems-show-gatchiri-mondays-special-report-on-screws/)
- [Company introduced in KTV Tsukai! Everyday’s Shocking the World One and Only Enterprise Special](https://hardlock-nut.com/2006/07/01/company-introduced-in-ktv-tsukai-everydays-shocking-the-world-one-and-only-enterprise-special/)
- [Company featured in Yukan Fuji Evening Paper article](https://hardlock-nut.com/2006/08/01/company-featured-in-yukan-fuji-evening-paper-article/)
- [Jinnai Osamu’s Oobakemae Kansai Small and Midsize Businesses in Yukan Fuji](https://hardlock-nut.com/2006/08/01/jinnai-osamus-oobakemae-kansai-small-and-midsize-businesses-in-yukan-fuji/)
- [President appeared on TV Osaka’s “Kansai Business News” as a commentator, representing the view of small/medium sized businesses regarding global falling stock prices.](https://hardlock-nut.com/2007/03/01/president-appeared-on-tv-osakas-kansai-business-news-as-a-commentator-representing-the-view-of-smallmedium-sized-businesses-regarding-global-falling-stock-prices/)
- [Featured on Nippon TV’s “Zoom-in Super!” as an innovative company in Higashi-Osaka.](https://hardlock-nut.com/2007/05/01/featured-on-nippon-tvs-zoom-in-super-as-an-innovative-company-in-higashi-osaka/)
- [HardLock’s technology featured as a technology of the world in a special feature on small- and medium-sized Japanese businesses in Korea’s Hankyung Business Weekly.](https://hardlock-nut.com/2007/11/01/hardlocks-technology-featured-as-a-technology-of-the-world-in-a-special-feature-on-small-and-medium-sized-japanese-businesses-in-koreas-hankyung-business-weekly/)
- [HARDLOCK introduced by Dr. Tsukio in a segment on Japanese made products in the program Newsbird on TBS.](https://hardlock-nut.com/2007/11/01/hardlock-introduced-by-dr-tsukio-in-a-segment-on-japanese-made-products-in-the-program-newsbird-on-tbs/)
- [The HARDLOCK nut featured in a Newsweek article on 100 small- and medium-sized Japanese businesses for the world to watch.](https://hardlock-nut.com/2007/11/01/the-hardlock-nut-featured-in-a-newsweek-article-on-100-small-and-medium-sized-japanese-businesses-for-the-world-to-watch/)
- [HARDLOCK holds the Railway Wakuwaku Flea Market event at Osaka Business Park as a special cooperative event.](https://hardlock-nut.com/2008/01/01/hardlock-holds-the-railway-wakuwaku-flea-market-event-at-osaka-business-park-as-a-special-cooperative-event/)
- [The HARDLOCK nut is featured as the most stable nut in the world on an Asahi TV program hosted by Tokoro George; President Wakabayashi makes a studio appearance.](https://hardlock-nut.com/2008/02/01/the-hardlock-nut-is-featured-as-the-most-stable-nut-in-the-world-on-an-asahi-tv-program-hosted-by-tokoro-george-president-wakabayashi-makes-a-studio-appearance/)
- [Article in the weekly magazine Sunday Mainichi names HARDLOCK as the only company in Higashi Osaka to completely overwhelm the world with its superior nut technology.](https://hardlock-nut.com/2008/03/01/article-in-the-weekly-magazine-sunday-mainichi-names-hardlock-as-the-only-company-in-higashi-osaka-to-completely-overwhelm-the-world-with-its-superior-nut-technology/)
- [Featured as the best locking nut in the world on a Kansai Telecasting program showcasing advanced Japanese technology.](https://hardlock-nut.com/2008/03/01/featured-as-the-best-locking-nut-in-the-world-on-a-kansai-telecasting-program-showcasing-advanced-japanese-technology/)
- [Named in a Nihon Keizai Shimbun article on world-famous brands from Japan in a feature on Higashi Osaka.](https://hardlock-nut.com/2008/03/01/named-in-a-nihon-keizai-shimbun-article-on-world-famous-brands-from-japan-in-a-feature-on-higashi-osaka/)
- [Listed in a Nihon Kogyo Shimbun article as one of the top 70 superior machinery manufacturers in the Kansai area for demonstrating a high level of safety.](https://hardlock-nut.com/2008/03/01/listed-in-a-nihon-kogyo-shimbun-article-as-one-of-the-top-70-superior-machinery-manufacturers-in-the-kansai-area-for-demonstrating-a-high-level-of-safety/)
- [HARDLOCK Industry’s products exhibited at the Monodzukuri Exhibition sponsored by the Japan Machinery Federation and backed by the Ministry of Economy, Trade and Industry, and held in the Japan Gallery of Tokyo’s National Museum of Nature and Science. Held between March 13 and April 4, the exhibit drew some 150,000 visitors, including Japan’s National Strategy Minister Yoshito Sengoku, who views HARDLOCK Industry’s products.](https://hardlock-nut.com/2010/03/01/hardlock-industrys-products-exhibited-at-the-monodzukuri-exhibition-sponsored-by-the-japan-machinery-federation-and-backed-by-the-ministry-of-economy-trade-and-industry-and-held-in-the-japa/)
- [HARDLOCK Industry is featured in the May edition of Sumitomo Forestry’s in-house publication “Kenzai Monthly.”](https://hardlock-nut.com/2010/05/01/hardlock-industry-is-featured-in-the-may-edition-of-sumitomo-forestrys-in-house-publication-kenzai-monthly/)
- [HARDLOCK Industry is featured in the June 2010 issue of “Highlighting Japan,” a publication of the Japanese Cabinet Office.](https://hardlock-nut.com/2010/06/01/hardlock-industry-is-featured-in-the-june-2010-issue-of-highlighting-japan-a-publication-of-the-japanese-cabinet-office/)
- [HardLock’s products are introduced in Toho Press’s monthly magazine “Columbus.”](https://hardlock-nut.com/2010/10/01/hardlocks-products-are-introduced-in-toho-presss-monthly-magazine-columbus/)
- [HARDLOCK introduced as a small/medium-sized company entering foreign markets on Fuji Television’s “New Media Report 2001.”](https://hardlock-nut.com/2010/11/01/hardlock-introduced-as-a-smallmedium-sized-company-entering-foreign-markets-on-fuji-televisions-new-media-report-2001/)
- [HARDLOCK President Wakabayashi’s book “The Screw that Never Comes Loose: How a Small Company Became a Top Global Player” released by Chukei Publishing in bookstores throughout Japan.](https://hardlock-nut.com/2011/03/01/hardlock-president-wakabayashis-book-the-screw-that-never-comes-loose-how-a-small-company-became-a-top-global-player-released-by-chukei-publishing-in-bookstores-throughout/)
- [HARDLOCK President Wakabayashi introduced in the March edition of Nikkei Business Publications’ “Nikkei Top Leaders.”](https://hardlock-nut.com/2011/03/01/hardlock-president-wakabayashi-introduced-in-the-march-edition-of-nikkei-business-publications-nikkei-top-leaders/)
- [HARDLOCK featured in the March 5, 2011 edition of Toyo Keizai’s “Weekly Toyo Keizai.”](https://hardlock-nut.com/2011/03/05/hardlock-featured-in-the-march-5-2011-edition-of-toyo-keizais-weekly-toyo-keizai/)
- [HARDLOCK President Wakabayashi’s book is introduced in Japan Business Press.](https://hardlock-nut.com/2011/03/01/hardlock-president-wakabayashis-book-is-introduced-in-japan-business-press/)
- [HARDLOCK President Wakabayashi appears on J-Wave’s “Tokyo Morning Radio” and discusses his book.](https://hardlock-nut.com/2011/03/01/hardlock-president-wakabayashi-appears-on-j-waves-tokyo-morning-radio-and-discusses-his-book/)
- [HARDLOCK President Wakabayashi’s book featured in regional newspapers throughout Japan.](https://hardlock-nut.com/2011/03/01/hardlock-president-wakabayashis-book-featured-in-regional-newspapers-throughout-japan/)
- [HARDLOCK introduced on Mainichi Broadcasting’s “Chichin Puipui Special Edition: Ask Akira Ikegami – the World of Wow 2.”](https://hardlock-nut.com/2011/04/01/hardlock-introduced-on-mainichi-broadcastings-chichin-puipui-special-edition-ask-akira-ikegami-the-world-of-wow-2/)
- [HARDLOCK President Wakabayashi appears on NHK Radio’s “First Thing on Saturday” to discuss his book.](https://hardlock-nut.com/2011/04/01/hardlock-president-wakabayashi-appears-on-nhk-radios-first-thing-on-saturday-to-discuss-his-book/)
- [HARDLOCK featured in “Economic Research Report on the Machine Industry,” prepared by the Japan Society for the Promotion of Machine Industry.](https://hardlock-nut.com/2011/04/01/hardlock-featured-in-economic-research-report-on-the-machine-industry-prepared-by-the-japan-society-for-the-promotion-of-machine-industry/)
- [HARDLOCK President Wakabayashi featured in “Passionate Challengers” for two weeks in the evening edition of the Sankei Shimbun.](https://hardlock-nut.com/2011/04/13/hardlock-president-wakabayashi-featured-in-passionate-challengers-for-two-weeks-in-the-evening-edition-of-the-sankei-shimbun/)
- [HARDLOCK introduced in Sukola Magazine’s “Exciting Technology in Japanese Factories.”](https://hardlock-nut.com/2011/05/01/hardlock-introduced-in-sukola-magazines-exciting-technology-in-japanese-factories/)
- [HARDLOCK featured in the May edition of “E! Kansai” on the Kansai Bureau of Economy, Trade and Industry’s website.](https://hardlock-nut.com/2011/05/01/hardlock-featured-in-the-may-edition-of-e-kansai-on-the-kansai-bureau-of-economy-trade-and-industrys-website/)
- [HARDLOCK President Wakabayashi introduced on Fuji Television’s “Mezamashi TV.”](https://hardlock-nut.com/2011/05/01/hardlock-president-wakabayashi-introduced-on-fuji-televisions-mezamashi-tv/)
- [HARDLOCK featured on the Kyujoshin Word segment of Yomiuri Telecasting’s “Asapara.”](https://hardlock-nut.com/2011/05/01/hardlock-featured-on-the-kyujoshin-word-segment-of-yomiuri-telecastings-asapara/)
- [HARDLOCK President Wakabayashi introduced on TV Tokyo’s “Warrior Masterpieces.”](https://hardlock-nut.com/2011/05/01/hardlock-president-wakabayashi-introduced-on-tv-tokyos-warrior-masterpieces/)
- [HARDLOCK President Wakabayashi interviewed by the lead editor of “Weekly Diamond.](https://hardlock-nut.com/2011/05/01/hardlock-president-wakabayashi-interviewed-by-the-lead-editor-of-weekly-diamond/)
- [An article on HARDLOCK President Wakabayashi appears in the Sankei Shimbun and on its website.](https://hardlock-nut.com/2011/05/08/an-article-on-hardlock-president-wakabayashi-appears-in-the-sankei-shimbun-and-on-its-website/)
- [HARDLOCK featured on Kansai Telecasting’s “Super News Anchor”.](https://hardlock-nut.com/2011/06/01/hardlock-featured-on-kansai-telecastings-super-news-anchor/)
- [HARDLOCK introduced on a Higashi Osaka feature of Nippon Television’s “Secret Citizen Show.”](https://hardlock-nut.com/2011/06/01/hardlock-introduced-on-a-higashi-osaka-feature-of-nippon-televisions-secret-citizen-show/)
- [HARDLOCK President Wakabayashi appeared live via telephone on Nippon Broadcasting’s “Ueyanagi Masahiko Gogoban!”](https://hardlock-nut.com/2011/06/06/hardlock-president-wakabayashi-appeared-live-via-telephone-on-nippon-broadcastings-ueyanagi-masahiko-gogoban/)
- [HARDLOCK introduced on the information and variety show “iCon” on Nippon Television.](https://hardlock-nut.com/2011/07/01/hardlock-introduced-on-the-information-and-variety-show-icon-on-nippon-television/)
- [HARDLOCK President Wakabayashi featured in the July edition of “Chichi,” a monthly magazine dedicated to philosophical anthropology and published by Chichi Publishing.](https://hardlock-nut.com/2011/07/01/hardlock-president-wakabayashi-featured-in-the-july-edition-of-chichi-a-monthly-magazine-dedicated-to-philosophical-anthropology-and-published-by-chichi-publishing/)
- [HARDLOCK included in a quiz on Japanese company names on the July 20, 2011 edition of Shogakukan’s “Big Comic Original”.](https://hardlock-nut.com/2011/07/01/hardlock-included-in-a-quiz-on-japanese-company-names-on-the-july-20-2011-edition-of-shogakukans-big-comic-original/)
- [HARDLOCK featured in the special edition of “Weekly Toyo Keizai,” “Railroads Explained: 2011.”](https://hardlock-nut.com/2011/07/01/hardlock-featured-in-the-special-edition-of-weekly-toyo-keizai-railroads-explained-2011/)
- [HARDLOCK featured in the “Panasonic Compass for the Next-generation” edition of “Tomoshige Ito’s Economics X Future Research.”](https://hardlock-nut.com/2011/08/01/hardlock-featured-in-the-panasonic-compass-for-the-next-generation-edition-of-tomoshige-itos-economics-x-future-research/)
- [HARDLOCK President Wakabayashi featured in the Chikara Meshi section of the September edition of Gentosha’s “Goethe” magazine.](https://hardlock-nut.com/2011/09/01/hardlock-president-wakabayashi-featured-in-the-chikara-meshi-section-of-the-september-edition-of-gentoshas-goethe-magazine/)
- [HARDLOCK is featured on the Shizuoka Telecasting television program “Chikyujin.”](https://hardlock-nut.com/2011/09/01/hardlock-is-featured-on-the-shizuoka-telecasting-television-program-chikyujin/)
- [HARDLOCK is presented in the advertisement “Visit to an Active Workplace” by Otsuka Pharmaceutical in Nikkei Business.](https://hardlock-nut.com/2011/09/01/hardlock-is-presented-in-the-advertisement-visit-to-an-active-workplace-by-otsuka-pharmaceutical-in-nikkei-business/)
- [HARDLOCK featured on a Shinkansen special titled “Manufacturing on the Rise: Sequel! The History of Japanese Industry” broadcast on NHK premium satellite television.](https://hardlock-nut.com/2011/09/01/hardlock-featured-on-a-shinkansen-special-titled-manufacturing-on-the-rise-sequel-the-history-of-japanese-industry-broadcast-on-nhk-premium-satellite-television/)
- [President Wakabayashi appears on “Eras of the Heart: Words for Tomorrow” in a segment titled “The Inventor King of the Town, Challenging Advanced Global Technologies” airing on late night radio on NHK.](https://hardlock-nut.com/2011/10/01/president-wakabayashi-appears-on-eras-of-the-heart-words-for-tomorrow-in-a-segment-titled-the-inventor-king-of-the-town-challenging-advanced-global-technologies-a/)
- [President Wakabayashi featured on “Academy Yoshizumi,” a segment by Yoshizumi Ishihara on the “Morning Bird,” a morning informational television program that airs on TV Asashi.](https://hardlock-nut.com/2011/11/01/president-wakabayashi-featured-on-academy-yoshizumi-a-segment-by-yoshizumi-ishihara-on-the-morning-bird-a-morning-informational-television-program-that-airs-on-tv/)
- [President Wakabayashi featured in “Back then, I was HARDLOCK President Katsuhiko Wakabayashi” broadcast on BS Fuji.](https://hardlock-nut.com/2011/11/01/president-wakabayashi-featured-in-back-then-i-was-hardlock-president-katsuhiko-wakabayashi-broadcast-on-bs-fuji/)
- [HARDLOCK featured in “Monozukuri that is the Pride of the World,” the sixth in a series on small Japanese companies with a powerful influence published by Doyukan and distributed at libraries throughout Japan.](https://hardlock-nut.com/2011/11/01/hardlock-featured-in-monozukuri-that-is-the-pride-of-the-world-the-sixth-in-a-series-on-small-japanese-companies-with-a-powerful-influence-published-by-doyukan-and-distributed-at-li/)
- [HARDLOCK products featured on “Scooper” on Nippon TV.](https://hardlock-nut.com/2011/12/01/hardlock-products-featured-on-scooper-on-nippon-tv/)
- [After President Wakabayashi received the grand prize in the 10th Japan Innovators Award at the Grand Prince Hotel Takanawa, an interview with him broadcast on “World Business Satellite.”](https://hardlock-nut.com/2011/12/01/after-president-wakabayashi-received-the-grand-prize-in-the-10th-japan-innovators-award-at-the-grand-prince-hotel-takanawa-an-interview-with-him-broadcast-on-world-business-satellite/)
- [President Wakabayashi written up in an article in a segment called “Manufacturing by Companies in a Class of Their Own” in “The Issues for Japan in 2012,” an annual publication from Bungeishunju.](https://hardlock-nut.com/2011/12/01/president-wakabayashi-written-up-in-an-article-in-a-segment-called-manufacturing-by-companies-in-a-class-of-their-own-in-the-issues-for-japan-in-2012-an-annual-pub/)
- [HARDLOCK featured as having a “powerful screw that provides safety around the word” broadcast on NHK Newsline.](https://hardlock-nut.com/2011/12/01/hardlock-featured-as-having-a-powerful-screw-that-provides-safety-around-the-word-broadcast-on-nhk-newsline/)
- [HARDLOCK President Wakabayashi introduced first among the winners of the Japan Innovators Award in “Focus on World-Class Products from Japan,” an in-depth look at current business affairs by Nikkei Business.](https://hardlock-nut.com/2011/12/01/hardlock-president-wakabayashi-introduced-first-among-the-winners-of-the-japan-innovators-award-in-focus-on-world-class-products-from-japan-an-in-depth-look-at-current-business-affa/)
- [A discussion between President Wakabayashi and the president of Tokaibane Manufacturing published in “Does Your Survival Depend on HR Training?” a special spring discussion in “Nikkei Top Leader,” a publication of Nikkei Business Publications.](https://hardlock-nut.com/2012/01/01/a-discussion-between-president-wakabayashi-and-the-president-of-tokaibane-manufacturing-published-in-does-your-survival-depend-on-hr-training-a-special-spring-discussion-in-2/)
- [A discussion between President Wakabayashi and the president of Tokaibane Manufacturing published in “Does Your Survival Depend on HR Training?” a special spring discussion in “Nikkei Top Leader,” a publication of Nikkei Business Publications.](https://hardlock-nut.com/2012/01/01/a-discussion-between-president-wakabayashi-and-the-president-of-tokaibane-manufacturing-published-in-does-your-survival-depend-on-hr-training-a-special-spring-discussion-in/)
- [HARDLOCK introduced in the regional bank edition of “SQUET,” a magazine sponsored by the Bank of Tokyo-Mitsubishi UFJ.](https://hardlock-nut.com/2012/01/01/hardlock-introduced-in-the-regional-bank-edition-of-squet-a-magazine-sponsored-by-the-bank-of-tokyo-mitsubishi-ufj/)
- [The HARDLOCK NUT presented as a superior means for earthquake-proofing on “ZIP” on Yomiuri TV.](https://hardlock-nut.com/2012/01/01/the-hardlock-nut-presented-as-a-superior-means-for-earthquake-proofing-on-zip-on-yomiuri-tv/)
- [HARDLOCK featured on “Good News for the Nation” on Nippon TV satellite television.](https://hardlock-nut.com/2012/02/01/hardlock-featured-on-good-news-for-the-nation-on-nippon-tv-satellite-television/)
- [HARDLOCK featured on the challenge of fatigue failure in the “Japanese Latent Power Challenge,” a special feature “ACE,” a publication of the Japan Federation of Construction Contractors.](https://hardlock-nut.com/2012/02/01/hardlock-featured-on-the-challenge-of-fatigue-failure-in-the-japanese-latent-power-challenge-a-special-feature-ace-a-publication-of-the-japan-federation-of-constr/)
- [HARDLOCK showcased throughout the world on “Japan 7 Days,” a program broadcast on the NHK international channel.](https://hardlock-nut.com/2012/02/01/hardlock-showcased-throughout-the-world-on-japan-7-days-a-program-broadcast-on-the-nhk-international-channel/)
- [A one-week series published on President Wakabayashi in “Discovering People” in the evening edition of the Nihon Keizai Shimbun.](https://hardlock-nut.com/2012/02/03/a-one-week-series-published-on-president-wakabayashi-in-discovering-people-in-the-evening-edition-of-the-nihon-keizai-shimbun/)
- [HARDLOCK introduced in “Japanese Companies Producing World-Class Products” published by Seibido Shuppan.](https://hardlock-nut.com/2012/03/01/hardlock-introduced-in-japanese-companies-producing-world-class-products-published-by-seibido-shuppan/)
- [HARDLOCK’s products described along with the Tokyo Sky Tree in a special feature on outstanding Japanese technology in “Sigma Best Kuwashii Chiri,” a textbook for junior high school students published by Bun-eido Publishing.](https://hardlock-nut.com/2012/03/01/hardlocks-products-described-along-with-the-tokyo-sky-tree-in-a-special-feature-on-outstanding-japanese-technology-in-sigma-best-kuwashii-chiri-a-textbook-for-junior-high-s/)
- [HARDLOCK introduced in “Sekai Ichi no Mono o Umidasu Nihon no Kaisha” (Japanese Companies Producing World-Class Products) published by Seibido Shuppan.](https://hardlock-nut.com/2012/03/01/hardlock-introduced-in-sekai-ichi-no-mono-o-umidasu-nihon-no-kaisha-japanese-companies-producing-world-class-products-published-by-seibido-shuppan/)
- [HARDLOCK President Wakabayashi gives students advice on innovation in the NHK program “Test no Hanamichi” (The Flowery Road of Testing).](https://hardlock-nut.com/2012/03/01/hardlock-president-wakabayashi-gives-students-advice-on-innovation-in-the-nhk-program-test-no-hanamichi-the-flowery-road-of-testing/)
- [HARDLOCK featured as a company with leading technology and international imports in the NHK program “Science View” for international audiences.](https://hardlock-nut.com/2012/03/01/hardlock-featured-as-a-company-with-leading-technology-and-international-imports-in-the-nhk-program-science-view-for-international-audiences/)
- [President Wakabayashi’s book “Zettai ni Yurumanai Neji” (The Screw that Never Comes Loose) translated and published simultaneously in China, South Korea and Taiwan.](https://hardlock-nut.com/2012/03/01/president-wakabayashis-book-zettai-ni-yurumanai-neji-the-screw-that-never-comes-loose-translated-and-published-simultaneously-in-china-south-korea-and-taiwan/)
- [HARDLOCK featured in MiT, a magazine issued by an administrative discussion round table at Sumitomo Mitsui Banking Corporation.](https://hardlock-nut.com/2012/04/01/hardlock-featured-in-mit-a-magazine-issued-by-an-administrative-discussion-round-table-at-sumitomo-mitsui-banking-corporation/)
- [HARDLOCK’s products listed in the “Ohm Bulletin,” published by Ohmsha.](https://hardlock-nut.com/2012/04/01/hardlocks-products-listed-in-the-ohm-bulletin-published-by-ohmsha/)
- [An interview with President Wakabayashi published in edition 306 of “Senryaku Keieisha” (Strategic Administrators), published by TKC.](https://hardlock-nut.com/2012/04/01/an-interview-with-president-wakabayashi-published-in-edition-306-of-senryaku-keieisha-strategic-administrators-published-by-tkc/)
- [An article on HARDLOCK’s products published in “Gijutsu no Mado” (A Window on Technology), the May edition of Kogyo Kyoiku (Industrial Education) produced by the National Association of Principals of Technical Senior High Schools and published by Sangaku Tsushinsha.](https://hardlock-nut.com/2012/05/01/an-article-on-hardlocks-products-published-in-gijutsu-no-mado-a-window-on-technology-the-may-edition-of-kogyo-kyoiku-industrial-education-produced-by-the-national-assoc/)
- [President Wakabayashi featured in “Ano Hito to Konna Hanashi” (We Talked about This with That Person) in the Asahi Shimbun.](https://hardlock-nut.com/2012/06/01/president-wakabayashi-featured-in-ano-hito-to-konna-hanashi-we-talked-about-this-with-that-person-in-the-asahi-shimbun/)
- [President Wakabayashi featured in “Ichioku Nin ni Tsutaetai Hatarakikata: Muda to Hikoritsu no nakani Takara ga Aru” (Ways to Work for Everyone: Treasures among Waste and Inefficiency) published by PHP Interface.](https://hardlock-nut.com/2012/06/01/president-wakabayashi-featured-in-ichioku-nin-ni-tsutaetai-hatarakikata-muda-to-hikoritsu-no-nakani-takara-ga-aru-ways-to-work-for-everyone-treasures-among-waste-and-inefficiency/)
- [President Wakabayashi featured in “Shin/Kaizen Kaikaku Tanboki” (Firsthand Report on Kaizen and Innovation) in Leadership, published by Kantokushi.](https://hardlock-nut.com/2012/07/01/july-1st-president-wakabayashi-featured-in-shinkaizen-kaikaku-tanboki-firsthand-report-on-kaizen-and-innovation-in-leadership-published-by-kantokushi/)
- [President Wakabayashi featured in “Kono Hito no Koto, Kono Hito no Kotoba” (This Person in This Person’s Words) in Uraraka, published by Kyushu Electric Power.](https://hardlock-nut.com/2012/07/01/president-wakabayashi-featured-in-kono-hito-no-koto-kono-hito-no-kotoba-this-person-in-this-persons-words-in-uraraka-published-by-kyushu-electric-power/)
- [President Wakabayashi interviewed in “Leader Choryakuko” (Discussion of Leadership Strategies) in Business Advance, no. 87, published by NTT Communications.](https://hardlock-nut.com/2012/09/01/president-wakabayashi-interviewed-in-leader-choryakuko-discussion-of-leadership-strategies-in-business-advance-no-87-published-by-ntt-communications/)
- [HARDLOCK introduced in the special feature “Nihon Zenkoku Munekyun Technology no Tabi” (The Technological Travels around Japan of Munekyun) of TES Magazine, vol. 63, the in-house publication of Toyota Motors.](https://hardlock-nut.com/2012/09/01/hardlock-introduced-in-the-special-feature-nihon-zenkoku-munekyun-technology-no-tabi-the-technological-travels-around-japan-of-munekyun-of-tes-magazine-vol-63-the-in-house-publi/)
- [HARDLOCK featured in “Osaka Sairyo Kigyo Shukatsu Guide 2014,” (The 2014 Guide to Job Hunting at Premier Osaka Companies) published by Osaka Prefecture.](https://hardlock-nut.com/2012/11/01/hardlock-featured-in-osaka-sairyo-kigyo-shukatsu-guide-2014-the-2014-guide-to-job-hunting-at-premier-osaka-companies-published-by-osaka-prefecture/)
- [“Zettai ni Yurumanai Neji” (The Screw that Never Comes Loose) by President Wakabayashi introduced on Tokyo FM‘s “Bestsellers.”](https://hardlock-nut.com/2012/11/01/zettai-ni-yurumanai-neji-the-screw-that-never-comes-loose-by-president-wakabayashi-introduced-on-tokyo-fms-bestsellers/)
- [President Wakabayashi featured in “Business Today,” no. 829, a publication in Taiwan.](https://hardlock-nut.com/2012/11/01/president-wakabayashi-featured-in-business-today-no-829-a-publication-in-taiwan/)
- [An article on HARDLOCK’s products published with the title of Kikai Setsugo no Yo: Neji/Bolts to Nuts (The Essence of Mechanical Welding: Screws, Bolts and Nuts) in a feature “Mi no Mawari no Sekai no Kozo o Saguru” (Exploring the Structure of the World around Us) in Architecture and Society, published by Architecture and Society.](https://hardlock-nut.com/2012/12/01/an-article-on-hardlocks-products-published-with-the-title-of-kikai-setsugo-no-yo-nejibolts-to-nuts-the-essence-of-mechanical-welding-screws-bolts-and-nuts-in-a-feature-mi-no-ma/)
- [President Wakabayashi featured in “Kojo no Teiryoku 4 Machikojo no Engine” (The Potential of the Factory, 4: The Engine of the Local Factory), published by Kamogawa.](https://hardlock-nut.com/2012/12/01/president-wakabayashi-featured-in-kojo-no-teiryoku-4-machikojo-no-engine-the-potential-of-the-factory-4-the-engine-of-the-local-factory-published-by-kamogawa/)
- [HARDLOCK’s products featured in “2013 Gonen Shakai-ka Shiryo Shu” (The 2013 Collection of Five Years of Social Studies Materials), published by Bunkeido.](https://hardlock-nut.com/2013/01/01/hardlocks-products-featured-in-2013-gonen-shakai-ka-shiryo-shu-the-2013-collection-of-five-years-of-social-studies-materials-published-by-bunkeido/)
- [Featured in “Nihon no Monozukuri Ryoku” (Japan’s Manufacturing Abilities) in “Fueramu,” vol. 18, by the Iron and Steel Institute of Japan , published by Meihosha.](https://hardlock-nut.com/2013/02/01/featured-in-nihon-no-monozukuri-ryoku-japans-manufacturing-abilities-in-fueramu-vol-18-by-the-iron-and-steel-institute-of-japan-published-by-meihosh/)
- [Featured in “Sekai wa Atarashii Nippon o Matte Iru” (The World Awaits a New Japan) in the 100th commemorative issue of Courrier Japan, published by Kodansha.](https://hardlock-nut.com/2013/03/01/featured-in-sekai-wa-atarashii-nippon-o-matte-iru-the-world-awaits-a-new-japan-in-the-100th-commemorative-issue-of-courrier-japan-published-by-kodansha/)
- [HARDLOCK’s products featured in “Otsuka Yakuho” (Otsuka Drug Bulletin), published by Otsuka Holdings.](https://hardlock-nut.com/2013/03/01/hardlocks-products-featured-in-otsuka-yakuho-otsuka-drug-bulletin-published-by-otsuka-holdings/)
- [President Wakabayashi interviewed as an expert to watch on Masakame TV, a game show from NHK General TV, in the episode “Shinkansen ni Matsuwaru Masaka no Me no Tsuke Dokoro!” (Keeping Our Eye on the World of the Shinkansen)](https://hardlock-nut.com/2013/04/01/president-wakabayashi-interviewed-as-an-expert-to-watch-on-masakame-tv-a-game-show-from-nhk-general-tv-in-the-episode-shinkansen-ni-matsuwaru-masaka-no-me-no-tsuke-dokoro-keeping/)
- [HARDLOCK featured in “Osaka Chusho Kigyoka” (Osaka SME Entrepreneurs), vol. 364, edited by the PR Department of the Osaka Doyu-kai.](https://hardlock-nut.com/2013/05/01/hardlock-featured-in-osaka-chusho-kigyoka-osaka-sme-entrepreneurs-vol-364-edited-by-the-pr-department-of-the-osaka-doyu-kai/)
- [HARDLOCK’s products featured in “Sekai ga Mitometa Nihon no Ippin, Nippon no Sugowaza” (Fine Japanese Products Appreciated around the World: Japan’s Amazing Engineering), part of the series Otoko no Kakureka Mono Ippin Raisan (A Man’s Retreat: In Praise of Excellent Products).](https://hardlock-nut.com/2013/06/01/hardlocks-products-featured-in-sekai-ga-mitometa-nihon-no-ippin-nippon-no-sugowaza-fine-japanese-products-appreciated-around-the-world-japans-amazing-engineering/)
- [HARDLOCK products listed in the summary of the “Bulletin of The Iron and Steel Institute of Japan.” published by Sanei-Shobo.](https://hardlock-nut.com/2013/08/01/hardlock-products-listed-in-the-summary-of-the-bulletin-of-the-iron-and-steel-institute-of-japan-published-by-sanei-shobo/)
- [HARDLOCK products listed in the summary of the “Bulletin of The Iron and Steel Institute of Japan.”](https://hardlock-nut.com/2013/08/01/hardlock-products-listed-in-the-summary-of-the-bulletin-of-the-iron-and-steel-institute-of-japan/)
- [Introduced in the book “Head and Shoulders Above: ‘80% of the Global Share’ Supporting Japan” by Hiroomi Takii, published by Shodensha.](https://hardlock-nut.com/2013/10/01/introduced-in-the-book-head-and-shoulders-above-80-of-the-global-share-supporting-japan-by-hiroomi-takii-published-by-shodensha/)
- [President Wakabayashi described in the article “Be a Front Runner” by the Asahi Shimbun.](https://hardlock-nut.com/2013/11/01/president-wakabayashi-described-in-the-article-be-a-front-runner-by-the-asahi-shimbun/)
- [HARDLOCK listed in “Excellent Companies Recognized Worldwide: Japanese Capability You Want to Know” by the Editors’ Camp and issued by Entrex.](https://hardlock-nut.com/2013/12/01/hardlock-listed-in-excellent-companies-recognized-worldwide-japanese-capability-you-want-to-know-by-the-editors-camp-and-issued-by-entrex/)
- [A feature on outstanding small and medium-sized Japanese companies in a Management and Issues edition of the “Korea Economic Daily” dedicates a full page to HARDLOCK.](https://hardlock-nut.com/2013/12/01/a-feature-on-outstanding-small-and-medium-sized-japanese-companies-in-a-management-and-issues-edition-of-the-korea-economic-daily-dedicates-a-full-page-to-hardlock/)
- [HARDLOCK featured in a special address by Graduate School of Project Design President Noda at “Small and Medium-Sized Business Supporting Japan,” hosted by the Nihon Keizai Shimbun.](https://hardlock-nut.com/2013/12/01/hardlock-featured-in-a-special-address-by-graduate-school-of-project-design-president-noda-at-small-and-medium-sized-business-supporting-japan-hosted-by-the-nihon-keizai-shimbun/)
- [HARDLOCK’s products included in “Pride of the World! An Illustrated Guide to Japanese Manufacturing” published by Kin-No-Hoshi Sha.](https://hardlock-nut.com/2014/02/01/hardlocks-products-included-in-pride-of-the-world-an-illustrated-guide-to-japanese-manufacturing-published-by-kin-no-hoshi-sha/)
- [HARDLOCK’s products included in the “Illustrated Guide to the Wonders of Japanese Geography,” a hardcover book for elementary school libraries from Poplar Publishing.](https://hardlock-nut.com/2014/03/01/hardlocks-products-included-in-the-illustrated-guide-to-the-wonders-of-japanese-geography-a-hardcover-book-for-elementary-school-libraries-from-poplar-publishing/)
- [The Nihon Keizai Shimbun writes in its “News Cool/New School” column about how HARDLOCK products are used in the Hokuriku Shinkansen.](https://hardlock-nut.com/2014/03/01/the-nihon-keizai-shimbun-writes-in-its-news-coolnew-school-column-about-how-hardlock-products-are-used-in-the-hokuriku-shinkansen-2/)
- [The Nihon Keizai Shimbun writes in its “News Cool/New School” column about how HARDLOCK products are used in the Hokuriku Shinkansen.](https://hardlock-nut.com/2014/03/01/the-nihon-keizai-shimbun-writes-in-its-news-coolnew-school-column-about-how-hardlock-products-are-used-in-the-hokuriku-shinkansen/)
- [HARDLOCK products displayed in the exhibit “The Sekai-Ichi: Unique Inspirations ‘Made in Japan’” issued by the National Museum of Emerging Science and Innovation.](https://hardlock-nut.com/2014/03/01/hardlock-products-displayed-in-the-exhibit-the-sekai-ichi-unique-inspirations-made-in-japan-issued-by-the-national-museum-of-emerging-science-and-innovation/)
- [HARDLOCK featured on Nippon TV’s “Legal Consultation Worth Listening to” in a segment called “Watabe, International King of Emcees, Presents World-Class Japanese People.”](https://hardlock-nut.com/2014/03/01/hardlock-featured-on-nippon-tvs-legal-consultation-worth-listening-to-in-a-segment-called-watabe-international-king-of-emcees-presents-world-class-japanese-people/)
- [HARDLOCK described in “Small Factories that Make Vehicles Safer,” a guidebook for libraries.](https://hardlock-nut.com/2014/03/01/hardlock-described-in-small-factories-that-make-vehicles-safer-a-guidebook-for-libraries/)
- [HARDLOCK listed as a unique company in a class of its own in a special edition on Kansai of the “Weekly Economist” issued on March 10.](https://hardlock-nut.com/2014/03/10/hardlock-listed-as-a-unique-company-in-a-class-of-its-own-in-a-special-edition-on-kansai-of-the-weekly-economist-issued-on-march-10/)
- [HARDLOCK featured in the “Green Report” in “Magazine GC,” vol. 8, issued by Fujifilm Business Supply.](https://hardlock-nut.com/2014/04/01/hardlock-featured-in-the-green-report-in-magazine-gc-vol-8-issued-by-fujifilm-business-supply/)
- [HARDLOCK described as a company whose inventions make people happy in “Chugging along in a Circuit around Japan” in “Motor Magazine,” no. 705.](https://hardlock-nut.com/2014/04/01/hardlock-described-as-a-company-whose-inventions-make-people-happy-in-chugging-along-in-a-circuit-around-japan-in-motor-magazine-no-705/)
- [HARDLOCK listed in “Keieisha no Shiki,” no. 457, published by TKC, under the topic of “Expert Technologies that Wow the World.”](https://hardlock-nut.com/2014/07/01/hardlock-listed-in-keieisha-no-shiki-no-457-published-by-tkc-under-the-topic-of-expert-technologies-that-wow-the-world/)
- [J-GoodTech Board Chairman Takada introduces HARDLOCK in a special feature titled “J-GoodTech.com Introduces Japanese Mining Technologies to the World” in Fortune magazine.](https://hardlock-nut.com/2014/07/01/j-goodtech-board-chairman-takada-introduces-hardlock-in-a-special-feature-titled-j-goodtech-com-introduces-japanese-mining-technologies-to-the-world-in-fortune-magazine/)
- [HARDLOCK’s products included in “RIETI Kansai,” vol. 53, a publication of the Research Institute of Economy, Trade and Industry‘s Kinki Main Office.](https://hardlock-nut.com/2014/08/01/hardlocks-products-included-in-rieti-kansai-vol-53-a-publication-of-the-research-institute-of-economy-trade-and-industrys-kinki-main-office/)
- [HARDLOCK introduced on NHK’s international broadcast “NHK World,” NHK’s international broadcasting service, in a segment titled “Monozukuri World.”](https://hardlock-nut.com/2014/08/01/hardlock-introduced-on-nhks-international-broadcast-nhk-world-nhks-international-broadcasting-service-in-a-segment-titled-monozukuri-world/)
- [HARDLOCK introduced on Fuji Television’s game show “Quiz! Sore Maji!? Nippon” as a company that Japan can be proud of representing the country to the world.](https://hardlock-nut.com/2014/08/01/hardlock-introduced-on-fuji-televisions-game-show-quiz-sore-maji-nippon-as-a-company-that-japan-can-be-proud-of-representing-the-country-to-the-world/)
- [Hardlock Nut was included in “Weekly economist”.](https://hardlock-nut.com/2016/05/23/hardlock-nut-was-included-in-weekly-economist/)
- [We take part in promotional events for Higashi-osaka.](https://hardlock-nut.com/2016/07/01/we-take-part-in-promotional-events-for-higashi-osaka/)
- [Our presidents, Wakabayashi Katsuhiko is introduced on NHK’s international broadcast “NHK WORLD” as the Edison of East Osaka.](https://hardlock-nut.com/2016/09/10/our-presidents-wakabayashi-katsuhiko-is-introduced-on-nhks-international-broadcast-nhk-world-as-the-edison-of-east-osaka/)
- [Interviewed with Fastener News at the 2017 International Fastener Expo in Las Vegas](https://hardlock-nut.com/2017/10/26/interviewed-with-fastener-news-at-the-2017-international-fastener-expo-in-las-vegas/)
- [Received the “R&D Award” in the 15th Excellent Entrepreneur Award Ceremony sponsored by Nikkan Kogyo Shimbun.](https://hardlock-nut.com/1998/01/01/received-the-rd-award-in-the-15th-excellent-entrepreneur-award-ceremony-sponsored-by-nikkan-kogyo-shimbun/)
- [Received the “Excellence in Business Award” from Nikkan Kogyo Shimbun.](https://hardlock-nut.com/1998/12/01/received-the-excellence-in-business-award-from-nikkan-kogyo-shimbun/)
- [Received the “President’s Award” from the Higashi Osaka Chamber of Commerce and Industry.](https://hardlock-nut.com/1998/12/01/received-the-presidents-award-from-the-higashi-osaka-chamber-of-commerce-and-industry/)
- [Received the “Nikkan Kogyo Newspaper Advertising Award” from Nikkan Kogyo Shimbun.](https://hardlock-nut.com/1999/05/01/received-the-nikkan-kogyo-newspaper-advertising-award-from-nikkan-kogyo-shimbun/)
- [The HARDLOCK trademark is officially registered as trademark number 4402041.](https://hardlock-nut.com/2000/07/01/the-hardlock-trademark-is-officially-registered-as-trademark-number-4402041/)
- [HLB has already been registered as trademark number 1930045.](https://hardlock-nut.com/2000/07/01/hlb-has-already-been-registered-as-trademark-number-1930045/)
- [Space Lock Nut is trademarked as trademark number 422208.](https://hardlock-nut.com/2000/07/01/space-lock-nut-is-trademarked-as-trademark-number-422208/)
- [ISO 9002 certification received from TUV for the Space Lock Nut.](https://hardlock-nut.com/2001/03/01/iso-9002-certification-received-from-tuv-for-the-space-lock-nut/)
- [The HARDLOCK Nut is certified for use in Railtrack signal devices in the UK, certification number PA05/867.](https://hardlock-nut.com/2001/05/01/the-hardlock-nut-is-certified-for-use-in-railtrack-signal-devices-in-the-uk-certification-number-pa05867/)
- [The HARDLOCK Nut is selected as the first Good Design Product in the industry.](https://hardlock-nut.com/2003/01/01/the-hardlock-nut-is-selected-as-the-first-good-design-product-in-the-industry/)
- [Received the 36th “Special Award of Encouragement” from the Medium and Small Business Research Institute.](https://hardlock-nut.com/2003/01/01/received-the-36th-special-award-of-encouragement-from-the-medium-and-small-business-research-institute/)
- [The HLS-HARDLOCK Setscrew is trademarked as trademark number 4708616.](https://hardlock-nut.com/2003/01/01/the-hls-hardlock-setscrew-is-trademarked-as-trademark-number-4708616/)
- [The United Kingdom railway infrastructure management company, Network Rail, approves the use of HARDLOCK Nuts for Stretcher bar application (certification number: PA05 / 02077)](https://hardlock-nut.com/2003/10/01/the-united-kingdom-railway-infrastructure-management-company-network-rail-approves-the-use-of-hardlock-nuts-for-stretcher-bar-application-certification-number-pa05-02077/)
- [Received ISO 9001-2000 certification from German company TUV for the HARDLOCK Nut, HBL, and the Space Lock Nut.](https://hardlock-nut.com/2003/11/01/received-iso-9001-2000-certification-from-german-company-tuv-for-the-hardlock-nut-hbl-and-the-space-lock-nut/)
- [Received certification (number C0054) for use of HARDLOCK Nut on the Australian Queensland Rail (QR) signal systems, followed by certification in the State of Victoria.](https://hardlock-nut.com/2003/12/01/received-certification-number-c0054-for-use-of-hardlock-nut-on-the-australian-queensland-rail-qr-signal-systems-followed-by-certification-in-the-state-of-victoria/)
- [HARDLOCK chair selected as the Standing Manager of the Metal Industry Subcommittee by the Higashi Osaka Chamber of Commerce and Industry.](https://hardlock-nut.com/2004/12/01/hardlock-chair-selected-as-the-standing-manager-of-the-metal-industry-subcommittee-by-the-higashi-osaka-chamber-of-commerce-and-industry/)
- [HARDLOCK chair selected as committee member on the Small and Medium Business Committee by the Higashi Osaka Chamber of Commerce and Industry.](https://hardlock-nut.com/2004/12/01/hardlock-chair-selected-as-committee-member-on-the-small-and-medium-business-committee-by-the-higashi-osaka-chamber-of-commerce-and-industry/)
- [Received letter of appreciation for contributions to railway construction from the Taiwan High Speed Rail Corporation.](https://hardlock-nut.com/2005/05/01/received-letter-of-appreciation-for-contributions-to-railway-construction-from-the-taiwan-high-speed-rail-corporation/)
- [Space Lock Nut selected as a Good Design Product.](https://hardlock-nut.com/2005/11/01/space-lock-nut-selected-as-a-good-design-product/)
- [Received ISO 9001-2000 certification from German company TUV for the HARDLOCK Nut, HBL, Space Lock Nut, and HLS.](https://hardlock-nut.com/2007/02/01/received-iso-9001-2000-certification-from-german-company-tuv-for-the-hardlock-nut-hbl-space-lock-nut-and-hls/)
- [Company products certified as unique Higashi Osaka brands.](https://hardlock-nut.com/2007/02/01/company-products-certified-as-unique-higashi-osaka-brands/)
- [Received silver award for the Ninth Osaka Manufacturing Grand Prize.](https://hardlock-nut.com/2007/03/01/received-silver-award-for-the-ninth-osaka-manufacturing-grand-prize/)
- [French company ETESIA evaluated HARDLOCK with a perfect score in the three areas of delivery, quality and price.](https://hardlock-nut.com/2008/04/01/french-company-etesia-evaluated-hardlock-with-a-perfect-score-in-the-three-areas-of-delivery-quality-and-price/)
- [Selected as one of the “300 most active small and medium-sized companies supporting the future of Japan” by the Ministry of Economy, Trade and Industry in 2009, HARDLOCK receives a letter of gratitude from the minister.](https://hardlock-nut.com/2009/06/01/selected-as-one-of-the-300-most-active-small-and-medium-sized-companies-supporting-the-future-of-japan-by-the-ministry-of-economy-trade-and-industry-in-2009-hardlock-receives-a-let/)
- [Selected as one of the “100 most active manufacturing companies in Kansai of 2009″ by the Kansai Bureau of Economy, Trade and Industry.](https://hardlock-nut.com/2009/06/01/selected-as-one-of-the-100-most-active-manufacturing-companies-in-kansai-of-2009″-by-the-kansai-bureau-of-economy-trade-and-industry/)
- [HARDLOCK receives high praise from the Japanese government for our high quality.](https://hardlock-nut.com/2009/07/01/hardlock-receives-high-praise-from-the-japanese-government-for-our-high-quality/)
- [The major of Higashi Osaka City sends a letter expressing gratitude to HARDLOCK for the positive PR for the city’s manufacturing image that resulted from HARDLOCK being one of the 300 most active manufacturing companies in Japan.](https://hardlock-nut.com/2009/08/01/the-major-of-higashi-osaka-city-sends-a-letter-expressing-gratitude-to-hardlock-for-the-positive-pr-for-the-citys-manufacturing-image-that-resulted-from-hardlock-being-one-of-the-300-most-act/)
- [The Japan Chamber of Commerce and Industry and the Higashiosaka Chamber of Commerce and Industry praise HARDLOCK Industry for our national decoration and present us with a certificate of recognition.](https://hardlock-nut.com/2009/12/01/the-japan-chamber-of-commerce-and-industry-and-the-higashiosaka-chamber-of-commerce-and-industry-praise-hardlock-industry-for-our-national-decoration-and-present-us-with-a-certificate-of-recognition/)
- [HARDLOCK Industry selected by Osaka Prefecture as one of 273 manufacturing leaders to be listed in Osaka Monozukuri Spirits.](https://hardlock-nut.com/2010/03/01/hardlock-industry-selected-by-osaka-prefecture-as-one-of-273-manufacturing-leaders-to-be-listed-in-osaka-monozukuri-spirits/)
- [HARDLOCK receives a letter of appreciation from Nippon Steel Engineering for notable contributions to the construction of runway D at Haneda Airport.](https://hardlock-nut.com/2010/03/01/hardlock-receives-a-letter-of-appreciation-from-nippon-steel-engineering-for-notable-contributions-to-the-construction-of-runway-d-at-haneda-airport/)
- [HARDLOCK Industry receives the main award at the 35th Invention Awards, cosponsored by the Japan Society for the Advancement of Inventions and the Nikkan Kogyo Shimbun and held at the Meiji Kinenkan. HardLock’s president gives a speech in appreciation.](https://hardlock-nut.com/2010/03/01/hardlock-industry-receives-the-main-award-at-the-35th-invention-awards-cosponsored-by-the-japan-society-for-the-advancement-of-inventions-and-the-nikkan-kogyo-shimbun-and-held-at-the-meiji-kinenkan/)
- [The HARDLOCK president attends the 22nd cherry blossom viewing event at Shinjuku Gyoen, held by the Japanese prime minister.](https://hardlock-nut.com/2010/04/01/the-hardlock-president-attends-the-22nd-cherry-blossom-viewing-event-at-shinjuku-gyoen-held-by-the-japanese-prime-minister/)
- [President Wakabayashi receives the Industry Management Award from the Association for the Study of Industrial Management.](https://hardlock-nut.com/2011/09/01/president-wakabayashi-receives-the-industry-management-award-from-the-association-for-the-study-of-industrial-management/)
- [JISQ 9100:2009 certification received from LRQA Japan for Quality Management Systems in the aerospace and defense industries ISO 9001:2008 certification also received.](https://hardlock-nut.com/2011/09/01/jisq-91002009-certification-received-from-lrqa-japan-for-quality-management-systems-in-the-aerospace-and-defense-industries-iso-90012008-certification-also-received/)
- [HARDLOCK receives the Grand Prize of the 10th Japan Innovators Grand Prize, organized by Nikkei Business Publications.](https://hardlock-nut.com/2011/11/01/hardlock-receives-the-grand-prize-of-the-10th-japan-innovators-grand-prize-organized-by-nikkei-business-publications/)
- [The HARDLOCK NUT is registered with New Technology Information System (NETIS) for public works by the Ministry of Land, Infrastructure, Transport and Tourism. The registration number is KK-130006-A.](https://hardlock-nut.com/2013/06/01/the-hardlock-nut-is-registered-with-new-technology-information-system-netis-for-public-works-by-the-ministry-of-land-infrastructure-transport-and-tourism-the-registration-number-is-kk-130006-a/)
- [President Wakabayashi receives the 26th Kansai Kokoro (Heart) Award from the Kansai Keiei to Kokoro no Kai (Kansai Association of Administration and the Human Heart).](https://hardlock-nut.com/2013/10/01/president-wakabayashi-receives-the-26th-kansai-kokoro-heart-award-from-the-kansai-keiei-to-kokoro-no-kai-kansai-association-of-administration-and-the-human-heart/)
- [President Wakabayashi and HARDLOCK Industry Co., Ltd. was honored at the 50 anniversary celebration of the Tokaido Shinkansen for contributing to safe operations for many years.](https://hardlock-nut.com/2014/10/28/president-wakabayashi-and-hardlock-industry-co-ltd-was-honored-at-the-50-anniversary-celebration-of-the-tokaido-shinkansen-for-contributing-to-safe-operations-for-many-years/)
- [President Wakabayashi was awarded the Imperial Family Memorial Award.](https://hardlock-nut.com/2014/04/18/president-wakabayashi-was-awarded-the-imperial-family-memorial-award/)
- [President Wakabayashi was awarded the 2015 “COOL JAPAN” Award.](https://hardlock-nut.com/2015/06/27/president-wakabayashi-was-awarded-the-2015-cool-japan-award/)
- [President Wakabayashi was awarded the Imperial Family Culture Award.](https://hardlock-nut.com/2015/11/03/president-wakabayashi-was-awarded-the-imperial-family-culture-award/)
- [President Wakabayashi received a special invitation to the Imperial Family Memorial Award Ceremony.](https://hardlock-nut.com/2016/04/18/president-wakabayashi-received-a-special-invitation-to-the-imperial-family-memorial-award-ceremony/)
- [The United Kingdom railway infrastructure management company, Network Rail, revise the Certificate of Acceptance and additionally approves HARDLOCK Nut usage for Fish Plate application (certification number: PA05 / 02077)](https://hardlock-nut.com/2017/09/04/the-united-kingdom-railway-infrastructure-management-company-network-rail-revise-the-certificate-of-acceptance-and-additionally-approves-hardlock-nut-usage-for-fish-plate-application-certification/)
- [KMA Group visits us.](https://hardlock-nut.com/2016/09/29/kma-group-visits-us/)
- [Gave the lecture that was hosted by Japan Inst. Of Invention and Innovation of Kansai Branch.](https://hardlock-nut.com/2016/06/15/gave-the-lecture-that-was-hosted-by-japan-inst-of-invention-and-innovation-of-kansai-branch/)
- [We have renewed our website](https://hardlock-nut.com/2015/11/02/we-have-renewed-our-website/)

## Pages

- [HARDLOCK NUT OFFICIAL | Secure Critical Joints](https://hardlock-nut.com/) - HARDLOCK Industry Co., ltd. is the authentic manufacturer and distributor of loosening prevention measures such as HARDLOCK Nut with over 40 years of use.
- [Locations & Distributors](https://hardlock-nut.com/about-us/locations/) - We will introduce you to the official United States Distributors, Australian Distributors of HARDLOCK Nut. Or get optimal cheap pricing by quoting us directly.
- [CAD Download- HARDLOCK Bearing Nut (HLB)](https://hardlock-nut.com/products/caddata_download/cadhlb/) - The HARDLOCK Bearing Nut is a shaft locking retention nut which does not require keyways or pins. The only all-metal bearing nut for underwater applications.
- [CAD Download - HARDLOCK Nut (HLN)](https://hardlock-nut.com/products/caddata_download/cadhln/) - Do you want Locknuts that work and fit your current design. Download CAD Files for Manufacturing and 2D, 3D Design of HARDLOCK Locknuts the improved jam nut.
- [CAD Download - HARDLOCK Set Screw (HLS)](https://hardlock-nut.com/products/caddata_download/hardlock-set-screw-cad/) - This is the official page to download HARDOCK set screw cad files. We provide our cad files in the following formats: DWG and STP.
- [Dimensions and Torque Requirements](https://hardlock-nut.com/products/hln/basic-normal-table/) - Thread-locking HARDLOCK Nut (BASIC) available for metric, Unified (UNC) and Whitworth (BSW) threads. Tightening torque available for Concave and Convex Nut.
- [Installation Procedure for the HARDLOCK Nut (HLN)](https://hardlock-nut.com/products/hln/attachment-procedure/) - Are you unsure of the torque required or want to check the correct order of installation? Also make sure there is a gap between the two nuts before torqueing.
- [Why do Bolts/Nuts Come Loose? Factors Influencing Bolt Preload Loss](https://hardlock-nut.com/technical-info/looseness-causes/) - Bolts often loosen due to insufficient preload. Loss of preload is attributed to rotational (relative thread movement) & non-rotational loosening (creep, etc.).
- [About](https://hardlock-nut.com/products/hln/features/) - The HARDLOCK Nut is an all-metal, free-spinning locknut that employs two interlocking nuts with a unique wedge interface.
- [HARDLOCK Nut](https://hardlock-nut.com/products/hln/) - Vibrationmaster J900 tested eccentric locknuts. All metal, no polymer. Castle nut and Nyloc nut alternatives. Free-spinning locknut is reusable. Network rail approved.
- [Corporate Vision](https://hardlock-nut.com/about-us/vision/) - At HARDLOCK Industry we strive to save every and any client suffering from loosening of threaded assemblies. The vision for a safe society exists in our hearts.
- [Company Profile](https://hardlock-nut.com/about-us/company-outline/) - Katsuhiko Wakabayashi founded HARDLOCK Industry Co., Ltd in 1974, Japan. HARDLOCK Industry Co.,Ltd is a medium sized company with approximately 90 employees.
- [HARDLOCK Nut ( THIN ) - Dimension and Torque](https://hardlock-nut.com/products/hln/basic-thin-table/) - Not enough bolt length engaged? Problems with thread not protruding nut? The HARDLOCK Thin type has less thread length than two regular Hex Nuts ( Jam nuts ).
- [HARDLOCK Nut (Rim Type) - Dimensions and Torque](https://hardlock-nut.com/products/hln/standard-rim-table/) - Torque requirements for HLN, shaft locking nuts, bearing retaining nuts. Locknut Dimensions such a. width across flats and height of HLN. Rim only in Metric.
- [HLS-ZS (Thin/Hollow): Dimensions and Torque](https://hardlock-nut.com/products/hls/special-thin-hollow-table/) - Get the correct dimensions and torque specifications from the official HARDLOCK site. Do you need a slightly thinner HARDLOCK Set screw for limited threads?
- [HLS-D (Pin/Hollow): Dimensions and Torque](https://hardlock-nut.com/products/hls/pin-hollow-table/) - Are you trying to lock in core or ejector pins for die casting or plastic molding machines? The HARDLOCK Set Screw has revolutionized thread-locking grubscrews.
- [HLS-C (Pin/Normal): Dimensions and Torque](https://hardlock-nut.com/products/hls/pin-normal-table/) - This product is suitable for Drive shaft pins, core pins, ejector pins for ejection molding and die casting and many other applications. Optional pin length.
- [HLS-B (Standard/Hollow): Dimensions and Torque](https://hardlock-nut.com/products/hls/standard-hollow-table/) - Finally the hollow set screw / grub screw that every one is looking for. With the added wedge locking that keeps core pins and ejector pins locked in tight.
- [HLS-A (Standard): Dimensions and Torque](https://hardlock-nut.com/products/hls/standard-normal-table/) - This is the standard HARDLOCK Set Screw for locking in place core/ ejector pins etc. Get dimensions, torque details here! Product code: HLS-A or HLS-S.
- [Tightening Torque](https://hardlock-nut.com/products/hls/tighteneing-torque-table/) - HARDLOCK Set Screw is comprised of two grub screws which join together to form the ultimate lock. This page provides you with the correct torque for both screws
- [Contact us](https://hardlock-nut.com/contact/) - Do you have any technical questions that aren't answered on our site? Looking for a specific HARDLOCK Product or want a quote? Please email us or contact us.
- [What Makes HARDLOCK Stay Secure?](https://hardlock-nut.com/technical-info/why-choose-hardlock/) - Bolts and nuts come loose because of 2 reasons. Non-rotational loosening (Slackening) and Rotational Loosening (Self-loosening). So what measures to start with?
- [What is a Concave Nut?](https://hardlock-nut.com/concave-nut/) - A concave nut, part of the HARDLOCK Nut has a recessed section, which is used in combination with a convex nut to wedge the two nuts together creating a lock.
- [Why do bolts fail from fatigue?](https://hardlock-nut.com/technical-info/fatigue-failure/) - 90% of bolts fail from fatigue failure. Cyclic loading on the bolt exceed the design expectations, creating large increases in the bolt load... Read more here.
- [Types of Vibration Tests](https://hardlock-nut.com/technical-info/data/bolt-vibration-test-methods/) - We will introduce you to you, the 7 ways you can bolted joints are tested for effectiveness against loosening. The Junker Test and NAS Test are the most common.
- [Downloads](https://hardlock-nut.com/brochure-downloads/) - Catalogs available for all of our special locknuts, HARDLOCK Nut, HARDLOCK Bearing Nut and HARDLOCK Set Screw. Check out "Applications" for popular use-cases.
- [Samples Request Form](https://hardlock-nut.com/samples-request/) - Do you have any technical questions that aren't answered on our site? Looking for a specific HARDLOCK Product or want a quote? Please email us or contact us.
- [Double nutting comparison](https://hardlock-nut.com/technical-info/data/tightening-test/) - Have you realized that Double nutting is preventing accurate torquing of your joints. Did you know this problem was solved over 40 years ago with HARDLOCK Nut?
- [Reusability](https://hardlock-nut.com/technical-info/data/reuse-test/) - Most locknuts on the market are Prevailing Torque type! They all degrade and sometimes come loose. We put HARDLOCK Nut to the spin in over 50 vibration tests.
- [Dynamic Axial Loading](https://hardlock-nut.com/technical-info/data/axial-vibration-test/) - We investigate the self loosening properties of nuts under dynamic loads in the axial direction. Nuts come loose when the axial load is double the preload.
- [NAS Test](https://hardlock-nut.com/technical-info/data/nas-test/) - How much retention on locknut? Is a jam nut loosening proof? NAS Vibration Test NAS3354 evaluates thread-locking ability. ISO 16130 Junker test, a similar test,
- [Locknut Testing Results](https://hardlock-nut.com/technical-info/data/) - Performance tests for evaluating locknuts are important when considering locknuts for new applications. Tests such as NAS, Junker Tests, Fatigue Fracture Tests.
- [HARDLOCK Nut Wedging Mechanism](https://hardlock-nut.com/technical-info/why-choose-hardlock/principle/) - Loss of preload in bolt occurs with vibration and nut slipping. Unlike jam nuts, HARDLOCK wedges 2 nuts removing gap between threads. Free-spinning locknut.
- [Effective Loosening Prevention Strategies](https://hardlock-nut.com/technical-info/effective-loosening-prevention-strategies/) - No matter what I do, the joint is coming loose! If this is you, perhaps you need to consider the effectiveness of different solutions.
- [Bolt Locking Devices And Methods](https://hardlock-nut.com/technical-info/bolt-locking-methods/) - Did you know that many known methods don`t completely prevent loss in preload? And prevailing torque types fall into the Fall-off prevention devices category?
- [Technical Information](https://hardlock-nut.com/technical-info/) - Cause of bolt loosening and problems with low-preload. Jam nut and nylon nut improvements? Testing with Junker test and NAS Test. Reusable non-prevailing locknuts.
- [HARDLOCK Set Screw](https://hardlock-nut.com/products/hls/) - HARDLOCK Set Screw revolutionized plastic molding and die castings. Hollow grub screws, and custom long grub screws available for ejector pins and core pins.
- [FAQ Page](https://hardlock-nut.com/products/hln/faq/) - What order should I install the Concave and Convex nuts? How much torque should I use? We have prepared all the answers to the common day question, right here!
- [CAD Downloads](https://hardlock-nut.com/products/caddata_download/) - Are you in need of 2D or 3D CAD files for Eccentric Double Locknuts to use in your design diagrams/ cad models? Don't rely on dimension charts for remodeling.
- [Junker Test](https://hardlock-nut.com/technical-info/data/junker-test/) - The Junker test is a widely recognized vibration performance test for transverse vibrations. We evaluate the self-loosening of nyloc and flange nuts.
- [History](https://hardlock-nut.com/about-us/history/) - The globally recognized HARDLOCK Nut all started in 1974. In 1987 Japan National Railways approved HLN. In 1991 railroads were converted to HLN nation wide.
- [HARDLOCK Bearing Nut (HLB) Dimensions & Materials](https://hardlock-nut.com/products/hlb/standard-table/) - Shaft thread-locking nut with Lower surface pressure, no loss of pretension. HARDLOCK Bearing nut fits ball-bearing inside diameter to keep balance.
- [HARDLOCK Bearing Nut](https://hardlock-nut.com/products/hlb/) - Bearing Lock nuts in Steel, Hastelloy, Stainless, etc... Eliminate adhesives toothed lock washers and keyways. Bearing Ball screw locking in Injection Molding.
- [What is a Convex Nut?](https://hardlock-nut.com/convex-nut/) - A convex nut is a protruded locknut that has been machined eccentrically. It is used in combination with a concave nut to make up the HARDLOCK Nut.
- [Products](https://hardlock-nut.com/products/) - HARDLOCK offers Free spinning Locknuts, bearing ball screw locknuts, hollow lock set screws that actually prevent loosening. Improves the jam nut with wedge locking.
- [Installation Procedure](https://hardlock-nut.com/products/hlb/attachment-procedure/) - This is the official installation guide for HARDLOCK bearing nuts. Please do not use any other sites or any other methods of installing.
- [HARDLOCK Bearing Nut - Thin Type (HLB-L) Dimensions](https://hardlock-nut.com/products/hlb/special-thin-table/) - The HARDLOCK Bearing nut also comes in a thin type. Although not recommended for high axial load applications, great for applications with minimal thread height
- [Features](https://hardlock-nut.com/products/hlb/features/) - The HARDLOCK Bearing nut is a retention locking nut used to locate bearings into place without the use of a shaft keyway. Works extremely well under high loads.
- [Features](https://hardlock-nut.com/products/hls/features/) - The HARDLOCK Set Screw revolutionized industrial machinery, reducing the time it takes to replace core and ejector pins. Used by Tesla in the Giga Press.
- [Privacy Policy](https://hardlock-nut.com/privacy-policy/) - Are you wondering how we treat the information we gather from clients? This page is here to show you that we will protect client information.
- [FAQ Page](https://hardlock-nut.com/products/hls/faq/) - Have you just started using our product and have a few questions which are left unanswered? Here we answer general questions we get from curious clients?
- [News](https://hardlock-nut.com/about-us/news/) - Find out more about us on our News page! Also keep your eyes out for our new notices which keep you informed about our public holidays and other information.
- [HARDLOCK Bearing Nut Materials & Coatings](https://hardlock-nut.com/products/hlb/hardlock-bearing-nut-materials/) - The HARDLOCK Bearing Nut is available in JIS Materials SS400, S45C and SUS304. These are equivalents to AISI 1018 Steel, AISI 1045 Steel and SAE 304 stainless.
- [Articles, Technical Papers](https://hardlock-nut.com/technical-info/articles/) - We have gathered together many of the important research that goes behind HARDLOCK. FEM Stress analysis of HARDLOCK Nuts for different vibration situations etc.
- [Precautions](https://hardlock-nut.com/products/hln/precautions/) - Please make sure you understand all the implications behind using our product. This includes using the correct bolt for the job, by understanding ISO tolerances
- [Installation Procedure](https://hardlock-nut.com/products/hls/attachment-procedure/) - Looking for "How to install HLS?" for core pins or ejector pins or perhaps other applications? Understand the correct procedure to ensure proper thread-locking.
- [Quality Initiatives](https://hardlock-nut.com/about-us/quality-initiatives/) - We take customer needs and customer satisfaction very seriously. We use some of the best measuring equipment in the world and have a dedicated quality team.
- [Identifying Counterfeit Products](https://hardlock-nut.com/products/warning-imitation/) - Fake or replica products of HARDLOCK Nut may be accidently procured, please understand how to identify these counterfeits to prevent damage to your equipment.
- [Applications](https://hardlock-nut.com/applications/) - Where are locknuts used? Threadlocking is required in many industries such as Railroad, Infrastructure, Industrial, Transmission, Automobiles and Semiconductors
- [FAQ Page](https://hardlock-nut.com/products/hlb/faq/) - Changing your compressor or pump shaft design to incorporate HLB but are not sure about installation, materials or any other information? Check out our FAQ page
- [HARDLOCK Bearing Nut (HLB) - Torque Chart](https://hardlock-nut.com/products/hlb/tighteneing-torque-table/) - Torque specifications for HLB also known as Bearing lock nut, bearing retaining nut. The torque chart is for the Second nut (Locking nut), Concave or convex nut.
- [Locknut Testing Equipment](https://hardlock-nut.com/technical-info/testing-apparatus/) - Locknuts must be tested for vibration resistance, proof load, re-usability and fatigue life. American Aerospace Standard NAS 3354, Junker test ISO 16130, etc...
- [About Us](https://hardlock-nut.com/about-us/) - HARDLOCK is a Japanese company established in 1974. The current chairman, Mr. Wakabayashi invented the wedge locking principle (Eccentric Double Nut) and U-nut.
- [HARDLOCK Nut (Rim Type) Availability](https://hardlock-nut.com/products/hln/hard-lock-nut-rim-availability/) - Check the availability of hard lock nut for Rim Type. What size is HARDLOCK Nut rim available in? Is RIM type available in all sizes? Available for M5 to M30.

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