Wurth 03101260 DIN 603 / ISO 8677 carriage bolt, A4 stainless (AISI 316). IMPA 691501. 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 standard, ISO parts; HS code: 7318.15; IMPA: 691501.