Products

hardlock-nutHLN
Hardlock Nut

The anti-loosening nut is Hardlock’s flagship product. The concave nut in the standard product has a rim with a stopper to greatly improve operability. Refer to the Hardlock Nut with Rim – Options Table for sizes and materials with rims.

Features
Attachment Procedure
Hardlock Nut with Rim – Options Table
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
Attachment Procedure
Tightening Torque Table
FAQ