The Stanley Fatmax Precision Metal Drill Bits are pilot point tipped for precise, accurate drilling on contact with the material. Sharp cutting edges for faster drilling and clean holes. With its HSS construction, these drill bits offer exceptional durability and superior performance. The HSS material ensures the bits longevity even under heavy use. The CNC design allows for precise and accurate drilling, resulting in clean and perfectly round holes. This ensures minimal damage to the workpiece and reduces the risk of the hole being misaligned or uneven. Features & Benefits • For use with corded and cordless hammer drills • For very fast, accurate drilling in soft steel, non-ferrous metals, wood and plastic • Computer numerically controlled process for greater accuracy and quality Specifications: • Diameter: 4.5mm • Drill Length: 80mm • Working Length: 47mm • Head Type: HSS • Shank: Round