Security Ratings Explained
Security Ratings
Explained
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Hafren Security Ratings

Security Level 1

Entry Level
Fasteners offer protection from vandalism and opportunistic crime. Drivers can be purchased by the general public.

Security Level 2

Enhanced Security
Fasteners are less Common and less Recognizable. Driver Tooling is non-standard and Harder for the general public to buy.

Security Level 3

Medium Security
Rarer (less well-known) products. Supply of driver tooling is controlled, less readily available to buy, enhancing the security of the assembly.

Security Level 4

High Security
Either 1-way permanent fixing, or rare Hafren patented high security products requiring specialist tooling to remove (only available from Hafren approved distributors).

Security Level 5

Maximum Security
Highest security available. Products are either 1-way permanent fixings, or require bespoke exclusive, custom made driver tools to remove.

Case Hardened Steel Zinc Plated Kinmar® Removable Nut

Product Details

Case Hardened Steel Zinc Plated (CR-3) Steel Kinmar® Removable Nut

Unique Hafren segment shaped nut. The ultimate two-way patented security nut - extra resilient to attack.

This patented removable nut requires a matching driver socket for installation and removal. This cost-effective nut has a smooth aesthetically pleasing design which makes it an extremely versatile nut.

  • Also stocked in; Geomet® and A2 stainless Steel
  • Kinmar® Removable drive is also stocked in bolt form M8 x 25mm / M8 x 40mm
  • Other materials and finishes available to order, subject to minimum order quantities

 

Security Rating Explained

Size Material Finish Driver Size Part No. Small Box Qty
M5 Case Hardened Steel Zinc Plated (CR-3) KM6R KMRN05-Z 100
M6 Case Hardened Steel Zinc Plated (CR-3) KM6R KMRN06-Z 100
M8 Case Hardened Steel Zinc Plated (CR-3) KM8R KMRN08-Z 100
M10 Case Hardened Steel Zinc Plated (CR-3) KM10R KMRN10-Z 100
M12 Case Hardened Steel Zinc Plated (CR-3) KM12R KMRN12-Z 100

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