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