The ultimate high security patented one-way nut.
This patented permanent nut requires a matching driver socket for installation giving you guaranteed torque levels and can be re-torqued if required. Not governed by shear point and leaving no unplated surfaces, it leaves a clean smart finish.
- Also stocked in; case hardened steel zinc plated (CR-3) and Geomet®
- Kinmar® Permanent drive is also stocked in bolt form M8 x 25mm / M8 x 40mm
- Other materials and finishes available to order, subject to minimum order quantities
