a.material:tungsten carbide b.our carbide rods suitable for working with gray cast iron, ... of tungsten carbide products such as indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, ... carbide rods, extruded or pressed, diameter from 1mm to 30mm, length in 330mm usually, grade in K10 to K40UF tungsten carbide rods ...