Countersunk flat head screws (common head style) with type H or type Z cross recess - Product grade A - Part 1: Property class 4.8 (ISO 7046-1:1994); German version EN ISO 7046-1:1994— 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.
Tolerances for fasteners - Part 1, bolts, screws and nuts with thread diameters <grцЯer => 1,6 <kleiner => 150 mm and product grades A, B and C— 18 стр.