S45C C45 1045 cold drawn hexagonal steel bar S45C C45 1045 hexagonal steel bar is steel bar cold drawn by hexagonal mould. It is usually used to produce hex steel bolts, nuts and screws etc. Except cold drawn steel hexagonal bar, we can also produce other shapes cold drawn steel bar such as cold drawn round bar, cold drawn steel square bar, cold drawn flat bar and cold drawn hexagonal steel bar. Except cold drawn steel bar, we can also do further processing for turned steel bar, polished steel bar and centerless ground bar. Specification of 1045 steel bar we supply: Sizes Wide range from 6mm to 75mm Tolerances Precision to h9, h10, h11 Roundness 75% of diameter tolerance Straightness Good straightness to 1 mm/m…