Mechanical properties of corrosion-resistant stainless steel fasteners - Part 4: Tapping screws (ISO 3506-4:2009); German version EN ISO 3506-4:2009— 26 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.
German construction contract procedures (VOB) - Part C: General technical specifications in construction contracts (ATV) - Carpentry and timber construction works— 23 стр.