... .DIN,BS, ANSI/ASME, ISO 3.m6-30x20-250mm Galvanized nut and screw gradestandardmaterialdiameterlengthsurface3.6(A)DIN(A)Carbon Steelm6-m3010mm-250mm ... , automobiles, motorcycles, agricultural machinery, construction, transportation, electric power, electronics, chemicals, and home appliances, military industry and other industries11)minimum order:1ton12)packing: 50kg ...