Create a perfect chamfer for starting a nut on a bolt or threaded bar, starting a button die or die nut on rod, or creating a leading edge on timber dowel. E-Z Chamfer efficiently removes burrs and ridges from bolts, pipe, threaded rod, bar and dowels. It is suitable for use on metals including mild and hardened steels, stainless steel, copper and brass, as well as timber, fiberglass and plastics.