ISO 7046-1:2011, Countersunk flat head screws (common head style) with type H or type Z cross recess – Product grade A – Part 1: Steel screws of property class 4.8

ISO 7046-1:2011 specifies the characteristics of countersunk flat head screws with threads from M1,6 to M10 inclusive, of product grade A and property class 4.8, and with type H or type Z cross recess.