M20 BZP Shear Nuts Security Fixings 1 Way

A high security permanent nut fastening.
The hexagonal part of the nut shears off at predetermined torque (because only the cone part is threaded) leaving a tamper resistant cone.
No specialist tools required, use standard socket or spanner.
Manufactured in Bright Zinc Plated (CR-3) steel, galvanised steel and A2 stainless steel.
Available in M6 & M24