25MM POSITIONING DRILL BIT It is more accurate and safer to use these drill bit sets in the drill press. The tip is specially designed to drill holes cleanly and is perfect for drilling hidden hinges and door locks. EXCELLENT PERFORMANCE The head is designed with an arc shape, which can clear debris and provide high working efficiency. The cutting edge is sharp, the positioning is precise, the hardness is high, the precision is high, and the cutting is stable. The bit can drill a clean flat-bottomed hole without chipping. HIGH QUALITY High quality alloy blades, hardened, tempered and carbon HSS steel frame make the blades sharper and more durable. More fluid and less noisy. The knives are painted, waterproof and anti-corrosion. WOODWORKING TOOLS Suitable for making holes in wood. Precision grinding is suitable for mass use and easy to resharpen. They can easily enlarge existing holes and can pierce any arc. VARIOUS USES It can be used for punching wood products, fixing goals, drawers, plastic products, wood, plywood, etc. Suitable for pistol drills, bench drills, vertical drills, portable electric drills, vertical electric drills and moving belt magnetic drills, etc. Note: The data is all measured manually, please allow 1-3cm error, due to the light and display difference, there will be some color difference, the actual object received shall prevail.