Security Shear Nuts - Galvanised
Shear Torque: 31 - 38 Nm (23 - 28 lb/ft)
Hexagonal across flats: 19mm
Cone major diameter: 18.8mm
Cone height: 9.2mm
A high security permanent nut fastening
Unthreaded hexagonal part of the nut shears off at a predetermined torque
Leaves a tamper resistant cone
Steel hot dip galvanised HDG
PLEASE NOTE: Galvanised nuts should only be used on Galvanised threads
They are tapped oversize and will be a loose fit on self-colour or zinc plated threads
Tighten with standard spanners, sockets and adjustable wrenches