... of carbide wire drawing dies,natrual diamond wire drawing dies,PCD wire drawing dies,CVD wire drawing dies,polycrystalline wire drawing die ... 03-25mm;3)applicable for drawing copper wire,aluminum wire,steel wire,iron wire,tungsten wire,welding wire,etcIntroduction:The core of imported Poly Crystal ... dia. of hole of soft wire(mm)(such as: tungsten, molybdenum, steel and other wire material)0.20.40.71.01 ...