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Armour Ring™

A simple conical collar which renders a standard hexagon nut or bolt tamper resistant.

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.

  • Has been Home Office approved
  • Stocked in Steel Zinc Plated (CR-3) and 303 S31 Stainless Steel