Hafren Security Fasteners
Hafren Security Fasteners are manufacturers and wholesalers who specialise in more than just standard nuts and fasteners. They focus on security fasteners, unique screws, nuts, and bolts that are either permanently fixed or removable only with a specific, matching driver tool. As an Authorised UK Stockist & Supplier for Hafren Fasteners, we bring you a wide range of specialist security and tamper-resistant fasteners designed to combat theft and vandalism.

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.

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.

Hafren KMPN-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Nuts
- Hafren KMPN-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Nuts are the ultimate high security patented one-way nuts.

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.

Hafren KMPM-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Bolts
- Hafren KMPM-GEO Case Hardened Steel Geomet ® Kinmar ® Permanent Bolts are the ultimate high-security patented one-way bolts.

Hafren KMRN-S A2 Stainless Steel Kinmar ® Removable Nuts
- Hafren KMRN-S A2 Stainless Steel Kinmar ® Removable Nuts are premium high-security two-way nuts for both installation and removal.

Hafren KMRN-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Removable Nuts
- Hafren KMRN-Z Case Hardened Steel Bright Zinc Plated Kinmar ® Removable Nuts are high-security, patented two-way nuts with tamper resistance.

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 for secure removal.

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.

Hafren KMRM-GEO Case Hardened Steel Geomet ® Kinmar ® Removable Bolts
- Hafren KMRM-GEO Case Hardened Steel Geomet ® Kinmar ® Removable Bolts are the ultimate high security patented two-way bolts.

Hafren RTBS Button Head 6-Lobe Pin Self Tappers
- Hafren RTBS Button Head 6-Lobe Pin Self Tappers (Tapping Screws) are the ultimate high security patented 6-lobe pin screws.

Hafren RTCS Countersunk 6-Lobe Pin Self Tappers
- Hafren RTCS Countersunk 6-Lobe Pin Self Tappers (Tapping Screws) are security self-tapping screws designed for high torque applications.

Hafren RTBM Button Head 6-Lobe Pin Machine Screws
- Hafren RTBM Button Head 6-Lobe Pin Machine Screws are the ultimate high torque security screws for demanding applications.

Hafren RTCM Countersunk 6-Lobe Pin Machine Screws
- Hafren RTCM Countersunk 6-Lobe Pin Machine Screws are for high-torque applications where both strength and tamper resistance are essential.

Hafren RTRM Raised Countersunk 6-Lobe Pin Machine Screws
- Hafren RTRM Raised Countersunk 6-Lobe Pin Machine Screws are the ultimate high security fasteners for demanding applications.
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