Case Hardened Steel Geomet® Kinmar® Permanent Nut

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) & 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
SizeMaterialFinishDriver SizeRefSmall Box Qty
M8Case Hardened SteelGeomet®KM8PKMPN08-GEO100
M10Case Hardened SteelGeomet®KM10PKMPN10-GEO100
M12Case Hardened SteelGeomet®KM12PKMPN12-GEO100