... ,carbon steel shaft,shaft >Size:L 0.5~700mm O.D 0.5~80mm >high quality,muti-process shafts >Finish&Heat ... on each procedure. Use Digital control lathes,polishing machines, milling machines, stamping machines,high-frequency induction quenching machines, etc. 3>Strict and experienced QC team ... steel, POM,aluminum, PTFE, PEEK,PMMA,etc. Processing ability : O.D 0.5~60mm L 0.5~1000mmProcessing precision : O ...