Hafren SECURITY Armour ring™ Stainless steel AISI 30351096
Hafren SECURITY Armour ring™ Steel Zinc plated11435
The Armour Ring™ can be applied to any British or DIN standard hexagon nuts or bolts using a standard hammer. It leaves a smooth clean finish which is often favoured by Health & Safety executives and isn’t governed by a torque level like some one-way fasteners.