Chinese Chinese
   
Korean Korean
   
Japaness Japanese
   
Choose Language:
main-logo
  • Products
    • HARDLOCK Nut
    • HARDLOCK Bearing Nut
    • HARDLOCK Set Screw
    • Identifying Counterfeit Products
    • Downloads
    • CAD Downloads
  • Technical Information
    • Why Do Bolts Come Loose?
    • Why do bolts fail from fatigue?
    • Bolt Locking Devices And Methods
      • Effective Loosening Prevention Strategies
    • What Makes HARDLOCK Stay Secure?
      • HARDLOCK Nut Wedging Mechanism
    • Locknut Testing Results
      • Types of Vibration Tests
      • Junker Test
      • NAS Test
      • Dynamic Axial Loading
      • Reusability
      • Double nutting comparison
    • Locknut Testing Equipment
    • Articles, Technical Papers
  • Applications
  • About Us
    • Company Profile
    • Corporate Vision
    • Quality Initiatives
    • Locations & Distributors
    • History
    • News
  • Contact us

Projects

  • About Us
  • News
  • Projects
  • 2016 September 10th

    Takasaki High School of Gunma Prefectural Party visits us.

    8 students come to our factory. Thanks you for today.

    Projects
  • 2016 August 5th

    NIHON NICHIYO DAIKU CLUB Party visits us.

    16 people come to our factory. Thank you for today.

    Projects
  • 2016 August 2nd

    HIDA Party visits us.

    HIDA is the abbreviation for The Overseas Human Resources and Industry Development Association.
    26people visit our company. Thanks for coming.

    Projects
  • 2016 July 29th

    The TAKAOKA Chamber of Commerce and Industry Group visit us.

    6 people come to our factory. Thank you for taking time to visit us.

    Projects
  • 2016 June 29th

    THE JAPAN-CHINA SOCITY, INC visits us.

    12 people come to our factory tour. Thank you for taking time to visit us.

    Projects
2 / 6«12345...»Last »
  • Products

    • HLN Hardlock Nut
    • HLB Hardlock Bearing Nut
    • HLS Hardlock Set Screw
    • Warning about Imitation Products
  • Technical Information

    • Why Do Fasteners Become Loose?
    • Why the Hardlock Nut Does Not Loosen
    • Testing Apparatus
    • Test Data
    • Articles, Technical Papers
  • Applications

  • About Us

    • Company Outline
    • Corporate Vision
    • Quality Initiatives
    • Locations
    • History
    • News
    • Contact us
    • Privacy Policy
    • Product Brochure Downloads
    • 2D & 3D CAD File Downloads

© 2025 HARDLOCK Industry Co., Ltd. All rights reserved.