Stanley FatMax SFMCF810D2K

Extend your reach by 18 in. when drilling with Milwaukee selfeed bits, auger bits and hole saws. Useful for drilling into deep holes, tight spaces, or uneven surfaces, secures with a hex key included. more→The 7/16 inch hex fits both 3 jawed chucks, 1/2 inch drill capacity and larger

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 and debris fast to keep the bit cool. 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.

Featuring a heavy-duty, full-length, heat-treated shank for protection against bends and breaks, DeWalt Spade Bits are equipped with high-performance cutting spurs for optimum hole finish.