Hougen 11087 RotaCut Hole Cutter Combo Kit

Kit Contains: the combination of the 11075 and 11078 kits1/4″ (6.4mm) & 1/2″ (12.7mm) Depth of CutHOUGEN kits are packaged in sturdy cases for keeping handy the most often used sizes of Rotacut Annular Cutters.Holemaking – faster and easier than with conventional twist drills and hole saws – in sheet metal, plate materials, and plastics up to 1/2″ thick. Rotacut Cutters are precision ground and produce clean, burr-free, round holes without deforming the surrounding material. For use in hand held drills with either 3/8″ or 1/2″ chucks, and in air feed drill spindles for production work. Lasts 10x longer and cuts 3x faster than twist drills or hole saws.