Bosch GBH 187-LI Professional 0611923022

The Milwaukee Red Helix Cobalt 5/16 in. Drill Bit are engineered for extreme durability and longer life in hard metal applications. The Milwaukee Cobalt drill bits are designed with a Variable Helix t more→hat includes an aggressive 35 degree Helix Angle which ends at 15 degree. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metals, PVC and wood. The tapered drill bits feature a new enhanced tapered web that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide brill bits.

DeWALT RAPID LOAD® accessories now come in ToughCase®+ sets, the latest addition to our acccessory storage line. ToughCase®+ sets are a connectable case system designed to optimize storage space and k more→eep your bits organized. The patented bit-bar design allows for easy bit removal and the clear lid allows you to see inside at a glance.

FLEXTORQ bits are engineered for durability. Every FLEXTORQ bit features a FLEXTORQ Zone designed to absorb impact for longer life. Save time and find the right bit with new highly-visible laser-etche more→d size. Each FLEXTORQ bit is IMPACT READY with a 1/4 inch hex shank for use in impact drivers and drills.

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.

DEWALT IMPACT READY® titanium drill bits are up to 5 times more durable than 2-piece conventional bits. A patented web taper helps to increase bit strength, and a proprietary PILOT POINT® tip delivers more→speed and clear, burr-free holes with helps to reduced bit walking. Ideal for metal, wood, and plastic.

IRWIN Silver and Deming High Speed Steel Fractional Bit is constructed of M-7 high speed steel for high resistance to abrasion during tough drilling applications