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 ... production:self-clinching nuts,self-clinching standoffs,self-clinching studs, panel fasteners,insert of plastic nuts,welded nut,axle shafts,pins ...