Black&Decker BCD700S2S

The Milwaukee Red Helix cobalt drill bit is engineered for extreme durability and long life in hard metal applications. The Milwaukee cobalt drill bits are designed with a Variable Helix that includes more→an aggressive 35-degree helix angle that ends at 15 degrees. The 135-degree split point tip delivers a precision start and prevents walking for fast, accurate holes in hard metal, PVC, and wood. The tapered drill bits feature a new Enhanced Tapered Web that strengthens the bit's core to increase flute durability. The cobalt twist drill bits are ideal for tough applications, providing up to 15X life vs. black oxide drill bits.

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 SDS-Plus 2-cutter carbide-tipped hammer drill bits provide one of the fastest and longest lasting drilling solutions on the market for concrete. Optimized with a unique brazing and hardening more→process, the carbide tips extends life and productivity, allowing users to drill fast, accurate holes. Optimized for maximum performance in corded and cordless SDS Plus rotary hammers.