Metallic materials; hardness test; tables of Vickers hardness values for use in tests made on flat surfaces; HV 0,2 to less than HV 5; identical with ISO 409/2, edition 1983— 14 стр.
Mechanical properties of corrosion-resistant stainless steel fasteners - Part 1: Bolts, screws and studs (ISO 3506-1:1997); German version EN ISO 3506-1:1997— 19 стр.