Grand DA-12M Pro

Milwaukee Shockwave Impact Duty #4 3/16 - 7/8 in. Step Bits are engineered to deliver the most durable and fastest impact step bit hole drilling solution. Our step drill bits are made with global mate more→rials and give you best-in-class performance in impact drivers with the versatility to be used in drills. The 1/4 in. hex shank has an optimized Shockzone body providing you with the industry’s most durable shank. A Titanium Aluminum Nitride (TiAlN) coating helps deliver 5x longer life, while the Rapid Strike tip and dual spiral flute produces 2x faster holes.

Diablo's installer drill bits offer premium performance and superior life in wire installation projects. An ultra-sharp tip maximizes durability for fast, straight holes in clean wood or stacked lumbe more→r. The small hole in flute for easily pulling wires and cables through walls, ceilings and floors.

Diablo's Tile and Stone Carbide Tipped Drill Bit range provides faster starts and longer life in tile, stone and glass. Optimized with a unique brazing and hardening process, the carbide tip extends l more→ife and productivity, allowing users to drill fast, accurate holes. The multi-ground carbide tip design allows for aggressive starts that produce clean holes when drilling into hard materials. The 3-Flat Shank provides extra stability by eliminating spinning in the drill chuck.