Hafren KMRM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Removable Bolts
Product overview
Hafren KMRM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Removable Bolts
Hafren KMRM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Removable Bolts are the ultimate high-security patented two-way bolts. This advanced Hafren KMRM-Z design requires a matching driver socket for both installation and removal, ensuring precise torque control while maintaining exceptional resistance to tampering or forced attack. Unlike traditional bolts, these Zinc Plated Kinmar Bolts leave no unplated surfaces, providing a clean, professional finish suitable for high-security applications.
- Also stocked in: Geomet ®
- Other materials and finishes available to order, subject to minimum order quantities
Part Numbers: KMRM0825-Z, KMRM0840-Z.
Hafren KMRM-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 | KMRM0825-Z | KM8R |
| M8 | KMRM0840-Z | KM8R |
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 KMRM-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Removable 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 | Length (L) | Box Quantity |
| KMRM0825-Z | M8 | KM8R | 25 mm | 100 |
| KMRM0840-Z | M8 | KM8R | 40 mm | 100 |