Made of high cemented carbide, special heat treatment technology, sharp knife edge, high hardness, durable. Round Shank.
Wood, plastic, plywood, gypsum board and other materials you need to exquisite perforation, suitable for industrial hinge installation, wood processing and maintenance, model production, installation of
spherical door, drawers and other occasions.Suitable for a variety of drilling machines, such as normal drills, bench drills, pistol drills, vertical drilling machines, handheld electric drills, etc.