... Rohs compliant 4. tolerence: +/- 0.05mm Material: brass ,steel, Iron, copper, aluminum Finish: plating of zinc, nickel, ... cold forming Main products: Machining parts, machined parts, cnc machining, cnc machining parts, machining, turning parts, turned parts, cnc parts Equipment: punching machine, lathe ... 88454438Website:htt://www.hi-shen.com stainless steel machining parts / precision oval steel parts