1>Steel processing part 2>Material:steel 3>Finished:nickel plated 4>Metrec tolerance:+/- ... 5>ISO9001;ISO14001 Steel processing part1>Similar name:precision lathing part,precision machining part2>Material:brass,steel,iron,stainless steel,aluminium ... -clinching studs, panel fasteners,insert of plastic nuts,welded nut,axle shafts,pins and so on.We adhering to the "quality ...