Mechanical properties of fasteners; part 2: nuts with specified proof load values; coarse thread (ISO 898-2:1992); German version EN 20898-2:1993— 16 стр.
Mechanical properties of fasteners made of carbon steel and alloy steel - Part 1: Bolts, screws and studs (ISO 898-1:1999); German version EN ISO 898-1:1999— 28 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.