Core drill bit suitable for: steel 900 NAlu 10% SiCopper, Brass, Nickel, Pewter plastics GFK/CFKGraugussHardox, Denhastelloy, Inconell, Nimonic, Exotic materials, GraphitGood for: rail smooth metal chipboard with a light core cutter. Evolution, Jancy, Magbroach, magtron, magnet, red roach, ruko, universal, technical specifications, item no. tool holder, metric holder, drill diameter, 12 mm, 38720. 13151319 mm, 15 mm, 19 mm, 14 mm, 720 mm. 3/4 inch. 40 mm22 mmØ 23 mm38720.131523Universal19 mm3/4 inch40 mm23 mmØ 24 mm38720.131524Universal19 mm3/4 inch40 mm24 mmØ 25 …