Conical collar which is hammered over the top of any standard hexagon bolt head
or nut, rendering it tamper resistant.
- Zinc Plated Steel.
- Ideal smooth finish for existing fasteners.
- Suitable for any British Standard or DIN standard hexagon bolts or nuts,
including hexagon head coach screws.
- Cannot be easily removed, patented design which is home office approved.
- Stainless Steel available to order.