This standard BS EN ISO 4018:2022 Fasteners. Hexagon head screws. Product grade C is classified in these ICS categories:
21.060.10 Bolts, screws, studs
This document specifies the characteristics of hexagon head screws, in steel, with metric coarse pitch threads M5 to M64, and with product grade C. If in certain cases other specifications are requested, property classes can be selected from ISO 898-1, and dimensional options from ISO 888 or ISO 4753.
