Kinmar® Permanent

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 a shear point and leaving no unplated surfaces, it leaves a clean smart finish.

  • Stocked in Case Hardened Steel Zinc Plated (CR-3) and Geomet®, also stocked in A2 Stainless Steel
  • 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

Take a look at our downloadable PDF for full details.