... Nickel plating Material: steelFinishing:Bright Nickel platingFunction:Used as fastener in machinery, equipments, appliance, etc.1) main machines used: ... by IQC,IPQC, OQC, QA.4) supply special screws, nuts, bolts, rivets,studs,washers,standoffs,spacers,pins, shafts,and standard ... by IQC,IPQC, OQC, QA.4) supply special screws, nuts, bolts, rivets,studs,washers,standoffs,spacers,pins, shafts,and standard ...