Wire drawing die,nib PCD, CD, ND or tungsten carbide,standard size for copper, steel, Al, carbon wire drawing. 1. ... ND and tungsten carbide drawing die with polish surface and steady performance. 2.We have standard size for drawing different materials ... Trueman Jewelry. Focus on manufacturing tungsten carbide industrial tools. Blade(plotter blade, wire stripping blade), water flow meter shaft, wire ...