The HSS-R construction of this drill bit guarantees exceptional durability and heat resistance, owing to the high-speed steel composition. Rapid chip removal during drilling minimizes heat buildup, extending the drill bit's lifespan. The precision-ground tip enhances cutting efficiency, allowing for smooth and precise drilling in metal surfaces. Features & Benefits • For drilling into soft steel and non-ferrous metals • High speed steel for general purpose drilling into metal • Round shanks for use with corded and cordless hammer drills • Reduced shank – Diameters 14-16mm have a reduced shank to 12.7mm Specifications • Diameter: 4mm • Drill Length: 75mm • Head Type: HSS • Quick Change: No • Impact Rated: No • Application Material: Metal • Shank/Connection: Round