... , gear shaft, worm shaft Size:L 0.5~400mm O.D 0.5~80mm OEM is welcome Finish & Heat treatment High ... steel, POM,aluminum, PTFE, PEEK,PMMA,etc.Processing ability : O.D 0.5~60mm L 0.5~1000mmProcessing precision : O ... .D ± 0.005mm L ± 0.01mmRa : 0.8mmI.D. 0.25mm Steel shaftt, motor shaft ...