The Milwaukee 48-89-2775 7/16 in. Thunderbolt Black Oxide Drill Bit is excellent for drilling on curved surfaces and is recommended for use with portable drills. This drill bit features black oxide construction and a parabolic flute form to clear chips and debris to keep the bit cool. Extended length, aircraft drill bits are ideal for extra-reach and deep drilling applications in metal, wood and plastic. A precision start, 135 Split Point tip starts on contact to keep the bit from walking for fast accurate holes. The 3-Flat Secure-Grip shank won't slip in the drill chuck.
- 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