... H.S.S, cobalt steel. TiAIN coating availableideal for drilling structural steel and metalspecial designed double-action tooth cuts ... fast interface.Apply to Nitto, Alfra, BDS, Ruko, drilling rig and other magnetic drill machine.Also applies to all ... vertical drilling machine, radial drilling machine, milling machine, lathe, etc.We also have Pilot Pin and MT Holders High Performance High-Speed Steel ...