Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Subcategory_Plant Food Security Grade: 3

Security Grade: 3

Electrogalvanized

ideal for connecting hoses together

Thermoplastic

Knot brushes are useful for removing weld scale

Milwaukee Thunderbolt 1/2 In. Black Oxide Drill Bit Subcategory_Plant Food Security Grade: 3Milwaukee 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.