This document specifies the characteristics of prevailing torque hexagon high nuts (with non metallic insert), in steel and stainless steel, with metric coarse pitch thread M5 to M39, and with product grades A and B. If in certain cases other specifications are requested, property classes and stainless steel grades can be selected from ISO 898-2 or ISO 3506-2.
Status : Under development
Edition : 5
Technical Committee:Fasteners with metric internal thread