Hafren KMPN-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Nuts
Product overview
Hafren KMPN-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Nuts
Hafren KMPN-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Nuts are the ultimate high security patented one-way nuts. This advanced Hafren KMPN-Z design requires a matching driver socket for installation, ensuring guaranteed torque levels and allowing for re-torquing if required. Unlike traditional shear nuts, these Zinc Plated Kinmar Nuts leave no unplated surfaces, resulting in a clean, professional finish.
- Also stocked in: Geomet ® 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: KMPN05-Z, KMPN06-Z, KMPN08-Z, KMPN10-Z, KMPN12-Z.
Hafren KMPN-Z – Features
Material: Case Hardened Steel (C10C interannealed)
Heat Treatment: Case Hardened
Finish: Bright Zinc Plated (CR-3), 5 μm minimum
Part Numbers & Driver Sizes
| Size | Nut Part No | Driver Part No |
| M5 | KMPN05-Z | KM06P |
| M6 | KMPN06-Z | KM06P |
| M8 | KMPN08-Z | KM08P |
| M10 | KMPN10-Z | KM10P |
| M12 | KMPN12-Z | 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-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Nuts, please consult the Technical Data Table or PDF Files below.
*Technical Data subject to change without notice.
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+44 (0)1744 762 929Technical Data
| Part Number | Size | Driver Part Number | Width (A) | Height (B) | Box Quantity |
| KMPN05-Z | M5 | KM06P | 12.1 mm | 5.6 mm | 100 |
| KMPN06-Z | M6 | KM06P | 12.1 mm | 5.6 mm | 100 |
| KMPN08-Z | M8 | KM08P | 16.1 mm | 7.3 mm | 100 |
| KMPN10-Z | M10 | KM10P | 20.1 mm | 9.2 mm | 100 |
| KMPN12-Z | M12 | KM12P | 24.2 mm | 10.6 mm | 100 |