Stanley FatMax SFMCD721M2K

Milwaukee’s SHOCKWAVE™ Impact Duty™ Step Bits are engineered to deliver the most durable and fastest holes in the market. Made in the USA with global materials, these step bits have best-in-class perf more→ormance in impact drivers and the versatility to be used in drills. The 1/4 in. hex shank with an optimized SHOCKZONE™ provide the industry’s most durable shank, reducing early shank breaks. A Titanium Aluminum Nitride (TiAlN) coating helps deliver 5x longer life, while the Rapid Strike™ tip and dual spiral flute produces 2x faster holes.

While most screw driving bits are simply compatible with impact drills and drivers, Irwin Impact Performance Series fastener drive bits are engineered for maximum durability and long life with impact more→drivers. These bits are forged rather than milled, so they fit fasteners more precisely, which reduces stripping and increases the life of the bit itself - Irwin's Impact Performance Series bits have three times longer life than traditional bits.

DeWalt screwdriving bit tips are a perfect complement to your drill/driver and are designed to meet the demands of working professional contractors. Each bit is cut from shock-resistant tool steel and more→features an advanced hardening process that greatly reduces wear. Its snub-nose design fits perfectly into hex-socket adapters and the tips are precision ground to seat firmly into the screw head. The tips come in a variety of sizes and styles to accommodate all commonly available screws.