#3 STEP BIT, 1/4 - 3/4 IN.

Milwaukee Step Drill Bits with Jam-free Performance are optimized for Cordless Drills in High Speed. Featuring a dual-flute design delivering up to 2X faster whole times, up to 4X longer life and up to 50% more holes per battery charge than the competition. Ideal for drilling large and small-diameter holes in steel and plastic. Black oxide coating also enhances durability, whole quality and bit life.|Jam-free performance: dual-flute design optimized for cordless drills in high speed provides greater speed and control|Rapid strike tip: creates fast, accurate starts and generates less heat|Laser-engraved reference marks: easily stop on any whole size|3-flat secure-grip shank: reduces bit slippage in the chuck