... PCD, CD, ND or tungsten carbide,standard size for copper, steel, Al, carbon wire drawing. 1.We supply with PCD, CD, ND ... different materials use, such as: copper, steel, Al, carbon, etc., according to your request.3,Wire shape can be round, square, ... tungsten carbide industrial tools. Blade(plotter blade, wire stripping blade), water flow meter shaft, wire drawing die, cutting wheel(ceramic, glass ...