... OEM is welcome Finish & Heat treatment High quality steel shaft, metal shaft, motor shaft, gear shaft, worm shaft, OEM is welcome ... lathes,polishing machines, milling machines, stamping machines,high-frequency induction quenching machines, etc.3>Strict and experienced QC team inspecting on ... L ± 0.01mmRa : 0.8mmI.D. 0.25mm Steel shaftt, metal shaft, gear shaft, worm shaft, OEM is welcome.