Skil 3076 HC (CD1E3076HC)

The 21-piece Thunderbolt black oxide drill bit set offers convenience and heavy-duty performance on the jobsite. Milwaukee Thunderbolt black oxide drill bits are designed for extreme durability and lo more→ng life. The thunderbolt web features a thicker core than a standard drill bit to provide ultimate 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. The 135° 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 me…

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.

IRWIN Silver and Deming High Speed Steel Fractional Bit is constructed of M-7 high speed steel for high resistance to abrasion during tough drilling applications