Our Diamond Wire Drawing Die Blank is the polycrystalline diamond (PCD) product made under advanced high temperature and ultra-high pressure. Diamond powder sintered with a few of metal catalyst (Cobalt) for fully bond of diamond-to-diamond key. It has character of high abrasion resistance, mechanical strength, and good thermal conductivity. Our Die Blank could be your reliable choice for wire drawing in a wide range, such as for stainless steel, copper, tungsten, molybdenum, aluminum, nickel, and etc. We supplies two series of diamond wire drawing die blank: 'TDW' and 'DW'. They are available in grain sizes of 3 micron, 5 micron, 10 micron, 15 micron, 25 micron and 50 micron.