DeWALT DCF902B

Milwaukee Thunderbolt Black Oxide jobber length drill bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard drill bit to provide ultimate more→strength and protect against side load breakage. A specially designed parabolic flute form clears chips fast, while the 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes. Effective for drilling on curved surfaces, Milwaukee Thunderbolt Black Oxide bits require less effort to drill through metal, wood and PVC and are highly recommended for use with portable drills.

IRWIN Blue-Groove point and cutting edge for faster chip removal - 4x faster than standard spade bits

The Milwaukee SDS-Plus Bits with 1/4 in. Hex are designed specifically for Topcon screw applications. Built to take on brick, block and concrete Milwaukee SDS bits feature 2 cutter geometry for fast d more→rilling and debris removal. The patented, reinforced flute design increases impact resistance and transfers energy directly to the bit tip. Patented rebar chamfers withstand impact from rebar and hard aggregate and reduce carbide chipping. To be used with drive sleeve available in the SDS Plus Topcon installation kit (48-20-7497). Tapcon is a registered trademark of Illinois tool works Inc.