Milwaukee Quik-Lok 12 in. Alloy Steel Drill Bit Extension 1/4 in. Hex Shank

Our Shockwave Impact Duty #3 3/16 – 3/4 in. Step Bits are engineered to deliver the most durable and fastest impact step bit hole drilling solution. Our step drill bits are with global materials 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, reducing early shank breaks. Rapid Strike tip and dual spiral flute produce 2x faster holes.