Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Halex High-impact

High-impact

Milwaukee Shockwave Impact Duty driver bits are engineered for extreme durability

diamond seal technology

utilizes a bump feed mechanism & has extreme wear resistance delivering longer life

& longer life

Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Halex High-impactMilwaukee 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 strength and protect against side load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. The 135 degree split point tip delivers a precision start and prevents walking for fast, accurate holes.