We could manufacture all kinds of cold drawn steel bar : including : 1.round steel bar di 5-100mm 2.hex steel bar s6-s80 3.squre steel bar:5*5-80-80mm 4.flat steel :4*20-10*150mm 5.lathe guide rail 6.irregular steel bar 7.gear shape steel 8 feeling unit 9.T shape steel bar 10.textile fittint 11.lineal guide rail 12.oil injection nozzle steel grade:ASTM A258M GR B A570 GRB SAE1010 SAE1020,SAE1035 SAE1060 SAE1045 AISI1340 ,AISI1345 AISI5115 AISI5120 AISI5140,AISI4135 and cold heding steel ,spring steel ,bearing steel stainless steel , free cutting steel accuracy:H8-h11 we also could manuafture according DIN ,JIS ,ASTM