... parts materials: W, Mo,TZM, , Ti, WMo allysupply range: nut, bolt, rivet, screw, cap, fastner,accoridng to USA, China, ... , National sandard, customer's drawingQuantity supply: >50000PCS /MonthUSE: in the high temperature furnace for LED crystal growing furnace, silicon ... furnace, vaccum furnace,molybdenum & tungsten fixed parts Molybdenum nut, screw, rivet, bolt, fastener in high temperature furnace