Cone cutters in sets of three Capable of cutting holes from 3 to 30mm diameter Tapered cutters for power tool use Capable of drilling clean holes in plastic, PC boards, alloys and sheet metal up to 2mm thick Shank length 22mm No pilot hole required, cutter can produce any size hole between the minimum and maximum diameters of the taper Housed in a strong metal box Maximum shank diameter 10mm
