IRWIN Hexagonal Shaft Cobalt Drill Impact Drill Compatible Stainless Steel Drill Bit Blade Diameter 4.0mm IR91040 1 Piece

Catalog number: IR91040 Features: ●The larger tip angle improves durability and achieves stable workability with less burrs. ●Compared to general stainless steel drills, the number of holes drilled is increased by approximately 80% and the drilling speed is increased by approximately 47%. ●The special shape of the tip makes it easy to position and allows for smooth drilling start. ●The one-piece design makes the torque load approximately 26% more efficient than the conventional two-piece structure, and dramatically improves durability and safety. ●Can be used with impact drivers and drill drivers. Applications: ●Drilling various holes ●Drilling holes for wiring in electrical work, etc. ●Drilling pilot holes for hole saws ●Drilling pilot holes for screw driving ●Drilling pilot holes for taps, etc. Specifications: ●Blade diameter (mm): 4.0 ●Groove length (mm): 35 ●Total length (mm): 75 ●Shank diameter (mm): 6.35 ●Effective length (mm): 35 ●Tip angle 130° ●X-shaped thinning ●Integrated molded structure ●M42 cobalt high-speed steel Material/Finish: ●Cobalt high-speed steel