Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Brand_Red Devil Specially designed parabollic flute form

Specially designed parabollic flute form clears chips and debris fast

making the PG5250B a powerful performance generator no matter where you take it

for use with saddle threshold

Reinforced ribs offer exceptional sidewall strength

Kills insects above and below ground

Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Brand_Red Devil Specially designed parabollic flute formMilwaukee 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.