Black&Decker BCD383D2XK

Milwaukee Thunderbolt black oxide 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 strength and p more→rotect 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. The set comes in a resilient case.

Diablo's new step drill bits bring exclusive technology to the electrician, plumber and HVAC contractor with fast, accurate cuts and increased stability in thin metals, PVC other plastic materials. Th more→e innovative split point tip design enables a fast, on point start resulting in increased durability and up to 6X longer life. An automated precision grinding process on each step reduces wear and delivers 2X faster cuts. Multiple hole sizes are made easy with laser etched step markings while increased step heights for common hole sizes makes drilling holes more efficient and faster. Designed with a 1/4 inch hex shank, these bits are impact ready and can be used with drills and impact drivers.

Diablo's SDS-Plus 2-cutter carbide-tipped hammer stop bits provide one of the fastest and longest lasting drilling solutions on the market for concrete. Featuring a Stop Collar, these bits have a pre- more→determined stopping point for efficient shallow anchor installations. Optimized with a unique brazing and hardening process, the carbide tips extend life and productivity, allowing users to drill fast, accurate holes. Optimized for maximum performance in corded and cordless SDS-Plus rotary hammers.