Hafren KMPN-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Nuts

Product overview

Hafren KMPN-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Nuts

Hafren KMPN-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Nuts are the ultimate high security patented one-way nuts. This innovative Hafren KMPN-GEO design requires a matching driver socket for installation, ensuring consistent torque levels and allowing re-torquing if required. Unlike standard shear nuts, these Steel Geomet Kinmar Nuts provide full surface protection with no exposed metal, leaving a clean, professional finish.

Also stocked in: Case Hardened Steel Zinc Plated (CR-3) and A2 Stainless Steel

Kinmar ® Permanent drive is also available in bolt form M8 x 25mm / M8 x 40mm

Other materials and finishes available to order, subject to minimum order quantities

Part Numbers: KMPN08-GEO, KMPN10-GEO, KMPN12-GEO.

Hafren KMPN-GEO – Features

Material: Case Hardened Steel (C10C interannealed)

Heat Treatment: Case Hardened

Finish: Geomet ® 500B

Part Numbers & Driver Sizes

Size Nut Part No Driver Part No

M8 KMPN08-GEO KM08P

M10 KMPN10-GEO KM10P

M12 KMPN12-GEO KM12P

Hafren Security Fasteners

Hafren Fasteners manufacture and supply security & tamper resistant fasteners; special headed screws, nuts & bolts. Their solutions are either permanent, or removable only by using a matching driver tool. They design and supply a wide range of security fasteners including bespoke made to measure security fasteners. If they don’t have what you need they’ll make it just the way you want.

Security: The need to safeguard against theft and vandalism is increasingly an essential part of many design specifications.

Safety: Complying with stringent Health & Safety Law, their fasteners keep the public safe.

Aesthetics: Security fasteners are not only secure and vandal-resistant, but aesthetically pleasing to the eye complementing their surrounding environment

For Additional Information on Hafren KMPN-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Nuts, please consult the Technical Data Table or PDF Files below.

*Technical Data subject to change without notice.

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Contact us for enquiries concerning this and all other products: +44 (0) 1744 762 929