Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Halex utilizes a bump feed mechanism

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

Forged tip allows for a secure grip and maximum contact eliminating stripping or slipping

& longer life

Includes 1/4'

High-impact

Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Halex utilizes a bump feed mechanismMilwaukee 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.