This standard BS EN ISO 4017:2022 Fasteners. Hexagon head screws. Product grades A and B is classified in these ICS categories:
21.060.10 Bolts, screws, studs
This document specifies the characteristics of hexagon head screws, in steel and stainless steel, with metric coarse pitch threads M1,6 to M64, 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 898-1 or ISO 3506-1, and dimensional options from ISO 888 or ISO 4753.
