Wurth 04045 DIN 125-1 / ISO 7089 washer, A2 stainless (AISI 304). IMPA 692033. Used in general machinery assembly, structural steelwork and pressure-boundary flanged joints per DIN, ISO and ASME B18 dimensional standards. EN 10204 3.1 mill cert available on request.; Standards: ISO 3506-1, EN 10204, DIN 125-1, DIN standard; HS code: 7318.22; IMPA: 692033.