What are Tri-Head Key Wrenches?

Tri Head Key Wrenches are used to quickly and easily fasten and loosen Tri Head Security Machine Screws, a specialised type of 2-way Security Screw featuring a tall, triangular shaped head.

A widely used vandalism deterrent fixing, this type of security screw is commonly used in public installations and can often be found in lamp posts and other external street lighting fittings.

As all Tri Head Security Screws in this range are produced to the M8 metric coarse thread size, the same sized Tri Head Wrench Key can be used for all length variations of this screw.

Sizes.

Accu stocks the Tri-Head Key Wrench in size TIR-8K, compatible with all of our M8 Tri-Head Security Screws.

Bespoke Tri-Head Key Wrenches Manufacture.

High precision, bespoke manufacture of Tri-Head Key Wrenches to customer specification. State of the art facilities specialising in both small batch prototyping and large scale manufacture.