Hafren KMPN-S A2 Stainless Steel (SS) Kinmar ® Permanent Nuts
Hafren KMPN-S A2 Stainless Steel (SS) Kinmar ® Permanent Nuts

Product overview

Hafren KMPN-S A2 Stainless Steel Kinmar ® Permanent Nuts

Hafren KMPN-S A2 Stainless Steel (SS) Kinmar ® Permanent Nuts are the ultimate high security patented one-way nuts. 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 available in bolt form M8 x 25mm / M8 x 40mm
  • Other materials and finishes available to order, subject to minimum order quantities

Part Numbers: KMPN05-S, KMPN06-S, KMPN08-S, KMPN10-S, KMPN12-S.

Hafren KMPN-S – Features

Material: A2 (304Cu) Stainless Steel

Heat Treatment: None

Finish: Self Colour

Part Numbers & Driver Sizes

Size Nut Part No Driver Part No
M5 KMPN05-S KM06P
M6 KMPN06-S KM06P
M8 KMPN08-S KM08P
M10 KMPN10-S KM10P
M12 KMPN12-S 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-S A2 Stainless Steel (SS) Kinmar ® Permanent Nuts, please consult the Technical Data Table or PDF Files below.

*Technical Data subject to change without notice.

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Technical Data

Part Number Size Driver Part Number Width (A) Height (B) Box Quantity
KMPN05-S M5 KM06P 12.1 mm 5.6 mm 100
KMPN06-S M6 KM06P 12.1 mm 5.6 mm 100
KMPN08-S M8 KM08P 16.1 mm 7.3 mm 100
KMPN10-S M10 KM10P 20.1 mm 9.2 mm 100
KMPN12-S M12 KM12P 24.2 mm 10.6 mm 100

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