Geometrical Product Specifications (GPS) - Indication of surface texture in technical product documentation (ISO 1302:2002); German version EN ISO 1302:2002— 51 стр.
Tolerances for fasteners - Part 1: Bolts, screws, studs and nuts; Product grades A, B and C (ISO 4759-1:2000); German version EN ISO 4759-1:2000— 65 стр.