Zubr DShU-185

These Double-Fluted Step Drill Bits provide faster cutting and drilling than single flute bits. The easy-to-read step markings and targets save time when drilling holes. Thick 3/8-Inch hex shank provi more→des a firm, positive grip and won't spin out in the drill.

Milwaukee Shockwave impact duty titanium drill bits with Red Helix are engineered for impacts and drills. Designed with a variable Helix that with an aggressive 35 degree cutting edge which ends at 15 more→degree, The quad edge tip delivers a precision start and four cutting edges to create smaller chips. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes.

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. 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.