We are manufacturer of screw and bolt SIZE: 2-6.3 mm D. 2-50 mm. L. Standards: DIN, ANSI , ASME ISO, JIS GB ...MATERIALS: low carbon steel ( wire rod) AISI 1006-1008-1010-1012-1018-1022,...Stain less 304, 306 316 316L 316LVM ...Products: Din ...