Makita DF331DZ

33 Piece Tamperproof Insert S2 tool steel Bit Set Features Blast Finish To Provide A Firm Hold To The Fastener. With Storage Case.

Diablo's revolutionary, most complete range of SDS-Plus and SDS-Max Rebar Demon 4-cutter full-carbide head hammer drill bits are the only bits designed to be the most durable, fastest and coolest solu more→tions on the market. The Rebar Demon bits feature up to 2X more Dura-Carbide to withstand up to 1800 deg. F of intense heat whereas standard bits fail at 800 deg. F. Diablo's impact resistant 4-cutter full-carbide head withstands the stress of high-powered hammer drills and the impact of rebar by taking small bites of rebar to deliver controlled carbide wear, reduced vibration and up to 7X longer life. Produced with Tri-Metal Fusion Welding, the full-carbide head resists heat and prevents breakage …

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 fast, while the 3-Flat Secure-Grip shank holds the bit firmly in the drill chuck. 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.