These Union Strongbolt Deadlocks are kitemarked to British Standard 3621:2007. This certification is for thief-resistant locks and makes these excellently suited for the front or back of residential buildings.

Conforms to the BS 3621:2007; meets the exacting demands of insurance companies and the Police.

EN 1634-1 assessed for use on 60-minute timber fire doors

These locks are 5 lever, anti-pick, anti-saw and anti-drill security features for resistance against attack

The chamfered bolt design increases the performance of the lock under side load testing. The chamfer of the bolt also makes drilling attack more difficult.