1.material:tungsten carbide 2.our carbide rods suitable for working with gray cast iron, steel alloys and ... , drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc. Along with our company growth, we ... carbide rods, extruded or pressed, diameter from 1mm to 30mm, length in 330mm usually, grade in K10 to K40UF tungsten carbide fine grinding ...