... .005--0.02mm 3,Delivery on time 4,ISO9001,TS16949 Customized Non-Standard Machining Pieces 1.Material:Stainless Steel or Carbon Steel2.Head mark:OEM ... :45#,carbon steel,Cr12,stainlesssteel,65Mn,dc53,NAK80,NAK55etc. 6.Standard:ANSI,DIN,AS,BS ,GBand etc.7.Surface:Whited,Plain ...