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.

Hafren Fasteners twin thread security woodscrews

Tamper resistant woodscrews, are a cost-effective and easy to install security solution, making them ideal for applications where theft or vandalism is likely. Applications include securing outdoor storage areas, garden sheds, summerhouses, door locks and hinges, gate ironmongery, signage, playgrounds, park benches and other external wooden applications.

Hafren Fasteners twin thread security woodscrews (part2)

Designed for use in wood, Hafren security woodscrews are manufactured in hardened steel and zinc plated for protection against corrosion, these security woodscrews are created for use both internally and externally.

Hafren wood screws have two threads running along the body of the screw and can be used for softwood or hardwood i.e., oak, mahogany etc. The twin threads allow screws to be installed/removed twice as fast as a regular single thread screw. Hafren offer two types of tamper resistant woodscrews from stock which can be purchased from any approved Hafren Fastener stockist.

Hafren Fasteners twin thread security woodscrews (part3)

Clutch Head Twinthread Woodscrews: are 1-way (permanent fixings). These security wood screws are easy to install with a standard slotted screwdriver. They cannot be driven anti-clockwise due to the drive profile, making them extremely difficult to remove once installed.

Sentinel® Twinthread Woodscrews: are 1-Way (permanent fixings). The Sentinel® Woodscrews are installed with a Pozi screwdriver offering greater engagement, improved torque and less chance of cam-out meaning easier / faster installation. The unique design of the drive renders them permanent and extremely difficult to remove once installed.

As well as our specially designed twinthread woodscrews, some of our self-tapping security screws, such as the 6-Lobe Pin & Pin Hex varieties are regularly used as woodscrews.

We also stock 5-Lobe Pin self-tappers in A4-70 stainless steel offering improved corrosion resistance. Whilst this higher-grade steel is generally more expensive than A2 Stainless Steel fasteners, it can be more cost-effective over a longer period of time, due to its corrosion resistance and durability, leading to reduced maintenance costs, fewer replacement parts and less down time due to equipment breakdown. It will also remain clean and bright under atmospheric conditions.

We have an extensive range of woodscrew sizes available off the shelf in zinc plated steel, with other nonstandard sizes and styles available to order using our specials service.

How to get onboard as a distributor

Hafren Security Fasteners are only available through approved distributors throughout the United Kingdom and worldwide. Contact us on +44 (0)1686 621 300 to find out more about becoming an approved distributor or to find a distributor near you.

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