... drawing wire is been increased 2,decrease the risks of unfasten split 3,0.04-0.07 Natural diamond wire drawing dies ND wire drawing ... be extruded with high speed, and the life of drawing wire is been increased, also decrease the risks of ... unfasten split. Applications: platinum rhodium wire, gold wire, silver wire, copper, aluminum, molybdenum, nickel, tined, copper, tungsten ...