Shear Nut
Metric
Zinc Plated
Mild Steel Grade 4
Dia: M20
Pitch: 2.5
Wrench Size Across Flats: 30mm
A steel shear nut is a two-part security fastener designed for permanent, tamper-proof installations. Its primary purpose is to prevent removal by breaking off at a specific torque, leaving a smooth, non-removable conical nut, ideal for use in public infrastructure and general applications in moderate environments.
