The Milwaukee 48-89-2716 5/32 in. Thunderbolt Black Oxide Drill Bit features a thick core to provide excellent strength and protection against side-load breakage. The black oxide construction is durable, and the parabolic flute form helps clear debris and chips quickly to keep the bit cool. This drill bit is recommended for use with portable drills.
- Thunderbolt web, provides longer life and faster driller times
- Parabolic flute, clears chips faster
- Black oxide construction for durability
- 135-degree split point, precision start no walking