... Implemented as drawing for soft and hard wire PolyCrystal Diamond Drawing Dies1.Core: PolyCrystal ... and copper plated steel wire etc.). Suitable for drawing platinum rhodium wire, gold wire,silver wire,copper,aluminum, molybdenum,nickel ... , tined,copper,tungsten,copper,aluminum alloy,steel,stainless steel, steel cord,iron and other nonferrous metal wire ...