Security Ratings Explained
Security Ratings

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.

Bespoke Specials

We are able to offer a bespoke made to measure range of security fasteners.

Hafren Fasteners offer a bespoke made to measure range of security fasteners. Our expert sales team can assist with every type of security application from design stage to final installation, including on-site testing.

We can advise you in choosing the best security fastener for your application and can also help in designing something totally unique. With all types of specials, minimum order quantities apply depending on your size and material requirements. We have listed some available thread types, materials and finishes, but you may be looking for something totally different and unique. If so, send us drawings and samples and we’ll get you a quote.

  • A2 Stainless Steel
  • A4 Stainless Steel
  • Carbon Steel
  • Aluminium
  • Brass
  • A1 303
Head Shapes
  • Button Head
  • Countersunk
  • Pan Head
  • Raised Countersunk
  • Round Head
  • Flange Button Head
  • Polished
  • Zinc & Yellow
  • Zinc Plated
  • Chrome Plated
  • Galvanised/Geomet®
  • Black Passivated
  • Brass Plated
  • Nickel Plated

?Patching/Painted Heads

  • Painted Heads
  • Powder Coated
  • Thread Patching
  • Thread Lubrication
  • Thread Locking
Thread Types
  • Self Drilling Screws
  • Self Tapping Screws:
    - AB Type
    - B Type
  • Machine Screws:
    - Metric
    - Imperial
    - British Standard
  • Woodscrews:
    - Single Thread
    - Twinthread
    - Hi-Lo thread
  • Thread forming Screws:
    - Tri-Lobal
    - Paint Clearing
    ?- Plastic Forming
  • Dog Point Screws






















Please contact our expert sales team for more information +44 (0)1686 621 300.

Please note all bespoke specials are subject to minimum quantities and varying lead times.


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