prEN ISO 7040 rev
Prevailing torque type hexagon regular nuts (with non-metallic insert) - Property classes 5, 8 and 10

Standard No.

prEN ISO 7040 rev

Published By

European Committee for Standardization (CEN)

Scope

ISO 7040:2012 specifies the characteristics of prevailing torque type hexagon regular nuts (with non-metallic insert) with threads from M3 up to and including M36, in product grade A for threads up to and including M16 and product grade B for threads above M16, and with property classes 5, 8 and 10.