Posted to News on 28th Sep 2015, 00:00
Bolt Security made easy with new Wedge Lock Nut from Heico
Heico-Fasteners will be exhibiting their new anti-vibration Wedge-Locking Nut at this year's Northern Manufacturing show. The one piece Heico Wedge Lock Nut is supplied pre-assembled with the flanged nut and washer combined in a captive and rotary way and uses tension instead of friction to positively lock the bolt in place. Wedge shaped cams on the inside of the washers and radial teeth on the outside result in increased clamping force being applied during periods of vibration or dynamic load.
The external radial teeth embed into the mating surfaces when tightened while the internal cams react to any movement in the joint by moving across each other and as the height of these cams is greater than the pitch of the bolt thread, the increase in the height of these moving cams increases the clamping force on the joint, thus causing the bolt to self-lock.
The combined Heico-Lock washer and captivated nut provides a one piece design that eliminates the risk of misuse as the washer cannot be separated meaning it cannot be applied incorrectly. The one piece design also makes the wedge lock nut perfect for use in hard to reach locations. It also offers considerable reduction in assembly time and effort and is easy, safe and fast to use even for non-specialist users as well as being totally re-usable without any loss of function.
