Hafren KMPM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Bolts
Product overview
Hafren KMPM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Bolts
Hafren KMPM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Bolts are the ultimate high security patented one-way bolts. This advanced Hafren KMPM-Z design requires a matching driver socket for installation, ensuring guaranteed torque levels and allowing for re-torquing if required. Unlike traditional shear bolts, these Zinc Plated Kinmar Bolts leave no unplated surfaces, providing a clean, professional finish ideal for high-security applications.
- Also stocked in: Geomet ®
- Other materials and finishes available to order, subject to minimum order quantities
Part Numbers: KMPM0825-Z, KMPM0840-Z.
Hafren KMPM-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 | Bolt Part No | Driver Part No |
| M8 | KMPM0825-Z | KM8P |
| M8 | KMPM0840-Z | KM8P |
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 KMPM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Permanent Bolts, 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 | Bolt Head Diameter (A Ø) | Bolt Head Length (B) | Length (L) | Box Quantity |
| KMPM0825-Z | M8 | KM8P | 15.2 mm - 16.2 mm | 7.6 mm - 8.2 mm | 25 mm | 100 |
| KMPM0840-Z | M8 | KM8P | 15.2 mm - 16.2 mm | 7.6 mm - 8.2 mm | 40 mm | 100 |