Crown CT10126 (420107)

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.

Milwaukee Thunderbolt pilot bits are designed for extreme durability and long life. The Thunderbolt web features a thicker core than a standard pilot bit, which provides ultimate strength and protects more→against side-load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. A precision start, 135 deg. split point tip starts on contact to keep the bit from walking for fast, accurate holes. Excellent for drilling on curved surfaces, requires less effort to drill and is highly recommended for use with portable drills.

IRWIN MARPLES forstner bits drill clean and precise flat-bottomed holes and pocket holes quickly and easily