Hafren KMRN-GEO Case Hardened Steel Geomet ® Kinmar ® Removable Nuts

Product overview

Hafren KMRN-GEO Case Hardened Steel Geomet ® Kinmar ® Removable Nuts

Hafren KMRN-GEO Case Hardened Steel Geomet ® Kinmar ® Removable Nuts are the ultimate high-security patented two-way nuts designed for applications where secure removal is required. This advanced Hafren KMRN-GEO design requires a matching driver socket for both installation and removal, providing a precise, torque-controlled fit while maintaining exceptional resistance to tampering or forced attack. The Geomet ® coating offers outstanding corrosion protection and a clean, professional finish ideal for both indoor and outdoor high-security applications.

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

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

Part Numbers: KMRN06-GEO, KMRN08-GEO, KMRN10-GEO, KMRN12-GEO.

Hafren KMRN-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

M6 KMRN06-GEO KM06R

M8 KMRN08-GEO KM08R

M10 KMRN10-GEO KM10R

M12 KMRN12-GEO KM12R

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 KMRN-GEO Case Hardened Steel Geomet ® Kinmar ® Removable 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