Bosch GSR 14.4-2-LI Professional 0615990FD6

These Double-Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes. Thick 3/8-Inch hex shank provi more→des a firm, positive grip and won't spin out in the drill.

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.

DeWalt screwdriving bit tips are a perfect complement to your drill and driver and are designed to meet the demands of working professional contractors. Each bit is cut from shock-resistant tool steel more→and 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.