Milwaukee Thunderbolt Black Oxide Drill Bit Set 21 pc

The MILWAUKEE(R) THUNDERBOLT(R) Black Oxide Drill Bit Set offers convenient, heavy-duty performance on the jobsite. Milwaukee 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 protection against side-load breakage. The 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. Black oxide drill bits are 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.
Optimized Shock Zone geometry absorbs peak torque and prevents breaking Precise Fit Custom Machined Tip prevents stripping and reduces wobble
Custom Alloy76 Steel maximizes resistance to wear and shock
Up to 30x Life
Absorbs 3X more torque vs. impact bits
1/4"-20 Threaded Mount
Includes 142-pieces