a.material:tungsten carbide b.our carbide rods suitable for working with gray cast iron, steel alloys and ... tungsten carbide products such as indexable inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc. Along with ... 330mm usually, grade in K10 to K40UF tungsten carbide rods with coolant holes in blanks and fine grinding