The Shear System is a high security permanent fastener.
Both the Shear Bolt and the Shear Nut have a hexagon part which shears off at a predetermined torque. Installed using standard hex socket or spanner. Once installed, the Shear Bolt leaves a tamper resistant head.
Shear Bolts can also be manufactured to order in most common materials and finishes.
Need further product information? Click here to download the Hafren Security Fasteners handbook.