a.material:tungsten carbide b.our carbide rods suitable for working with gray cast iron, steel alloys and ... inserts shims, drilling bits, drawing dies, cold forging dies, carbide bars, carbide rods, carbide balls, carbide burrs, etc. Along with our company growth, we hope ... to build business with more companies abroad .We make carbide rods, extruded or pressed, diameter from 1mm to 30mm, length ...