Sturm ID2140T

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. 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 Multi-Material drill bits drill through just about any type of material out there brick, block, tile, metal, wood, plastic and marble they'll even drill through multiple materials at the same ti more→me. These versatile bits are designed specifically for rotary drilling, but are tough enough to be used with hammer drills. Carbide tip has a unique diamond-ground, four-facet design with sharper cutting edges for centered starts with no walking, fast drilling, and excellent hole quality in a variety of materials. Double-milled flute ensures fast, efficient removal of drilling dust and debris to increase speed and prevent clogging.

Diablo's spade bit range provides one of the fastest, most effortless hole drilling solutions on the market for fast, clean wood. An optimized Curved Paddle design enhances the chip evacuation process more→for more holes per charge. Cuts hardwood, plywood and softwoods.