Cross recessed countersunk flat head screws (common head style) - Product grade A - Part 2: Steel of property class 8.8; stainless steel and non-ferrous metals (ISO 7046-2:1990); German version EN ISO 7046-2:1994— 8 стр.
Countersunk raised head screws (common head style) with type H or type Z cross recess - Product grade A (ISO 7047:1994); German version EN ISO 7047:1994— 8 стр.