This document specifies the characteristics of hexagon regular nuts (style 1), in steel and stainless steel, with metric coarse pitch thread M5 to M39, and with product grades A and B.
NOTE            For nuts with sizes <em style="mso-bidi-font-style: normal;">D</em> < M5 and <em style="mso-bidi-font-style: normal;">D</em> > M39, see Annex A.
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.

ISO 4032:2023

Fasteners - Hexagon regular nuts (style 1)