Milwaukee Thunderbolt 31/64 In. Black Oxide Drill Bit Deacero Duofast Dafn-6480

Duofast Dafn-6480

Eco-friendly green flapper allows user to control water

Flashing red beacon automatically turns on when immersed in water

Structural foam polyethylene construction

Milwaukee Thunderbolt 31/64 In. Black Oxide Drill Bit Deacero Duofast Dafn-6480Milwaukee 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.