Machine element

Hard Lock

Hardlock Nut

The globally recognized HARDLOCK Nut, Utilizing the wedge principle used in ancient Japanese architecture, the HLN is the ultimate self-locking nut which perfectly succeeds to integrate the nuts with the bolt.

Hardlock Bearing Nut

The globally recognized HARDLOCK Bearing Nut (HLB), The HARDLOCK Bearing Nut was developed with the same wedge design as HARDLOCK Nut and maintains an extremely effective self-locking effect. The HARDLOCK Bearing Nut’s high self-locking effect allows it to maintain a complete tightened state even during high-speed rotation, vibration, forward and reverse rotation and impact. We promise a significant cost down since it is maintenance-free.

Hardlock Set Screw

The globally recognized HARDLOCK Set Screw, The HARDLOCK Set Screw is a revolutionary self-locking set screw (Hexagon socket head set screw) which applies the “wedge principle” and delivers superior self-locking effect like the other HARDLOCK products without any change in the current conditions of the application.