... or tungsten carbide,standard size for copper, steel, Al, carbon wire drawing. 1.We supply with PCD, CD, ND and tungsten ... 2.We have standard size for drawing different materials use, such as: copper, steel, Al, carbon, etc., according to your request.3 ... plotter blade, wire stripping blade), water flow meter shaft, wire drawing die, cutting wheel(ceramic, glass cutting), and other precise tools ...