... steel shaft,shaft >Size:L 0.5~700mm O.D 0.5~80mm >high quality,muti-process shafts ... ,automotive alternators,heavy-duty machines for many years.Precision Manufacturing in XINLONG1>According to drawing,our engineers ... PMMA,etc. Processing ability : O.D 0.5~60mm L 0.5~1000mmProcessing precision : O.D ± 0.005mm L ± 0. ... 01mm Ra : 0.8mm I.D. 0.25mm Shaft ...