M16 S/S A2 Armour Rings Security Fixings 1 Way

A simple conical collar which is hammered over any standard hexagon bolt head or nut, rendering it tamper resistant.
This security fastener has the advantage of not being governed by a torque and can be applied to exsisting fasteners.
Another advantage of using the Armour Ring is that it leaves a smooth cover to existing fixings.
Armour Rings are suitable for any British standard or DIN standard hexagon bolts and nuts, including hex head coach screws.
You can also use Armour Ring tool fast and easy application.
Home office approved.
Manufactured in Bright Zinc Plated (CR-3) steel and A2 Stainless Steel