... drawing die,nib PCD, CD, ND or tungsten carbide,standard size for copper, steel, Al, ... carbon wire drawing. 1.We supply with PCD, CD, ND and tungsten carbide drawing die ... with polish surface and steady performance. 2.We have standard size for drawing different materials use, such as: copper, steel, Al ... blade), water flow meter shaft, wire drawing die, cutting wheel(ceramic, glass cutting), and ...