Finish: Zinc Plated.
-Shear nuts are a high security, permanent nut fastening.
-Hexagonal part of shear nut shears off at a pre-determined torque.
-Leaves a totally tamper proof cone.
-Can be used with sleeve anchors, through bolts any many other fixings.
-Ideal for security applications such as window grilles, roller shutters, external seating and playground equipment.