Products

hardlock-nutHLN
HARDLOCK Nut

HARDLOCK Nut, composed of a convex nut and concave nut, also known as eccentric double nut is an all-metal locknut adaptable to any material. For common sizes, a rim (flanged section) is attached to the top nut ( recessed concave nut ) to stop the socket in place, preventing faulty installations. The rim is available for these materials/ sizes.

Features
Installation Procedure
Rim Nut Availability
Precautions
FAQ

hardlock bearing nutHLB ®
HARDLOCK Bearing Nut

This nut prevents bearing looseness, securely maintaining a near-perfect tightened state. The powerful looseness prevention effect resists vibration due to high-speed rotation and shock caused by forward and reverse rotation even when the preload is low.

Features
Installation Procedure
Tightening Torque Table
FAQ

hardlock set screwHLS ®
HARDLOCK Set Screw

This revolutionary anti-loosening set screw (hexagon socket head type) uses the wedge principle. Use for die pins in place of welding and adhesives to improve operability and greatly reduce overall costs.

Features
Installation Procedure
Tightening Torque Table
FAQ