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Milwaukee
21/64 in. Thunderbolt Black Oxide"
21/64 in. Thunderbolt Black Oxide"
Mfr. Model #
48-89-2727
|Item #
10101345
|UNSPSC #
0045242166985
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Product information
Milwaukee® 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, which provides ultimate strength and protects against side-load breakage. A specially designed parabolic flute form clears chips and debris fast to keep the bit cool. A precision start, 135 split point tip starts on contact to keep the bit from walking for fast accurate holes. Excellent for drilling on curved surfaces, requires less effort to drill and is highly recommended for use with portable drills.
MFR 48-89-2723
Features
- Extreme durability: thicker web provides greater strength and longer life
- Reduced slipping: 3-flat Secure-Grip™ shank holds the bit firmly in the drill chuck
- Corrosion resistant: black oxide coating provides lubricity and resists corrosion of the bit
- Fast, accurate drilling: 135° split point tip starts on contact to prevent walking, while the parabolic flute clears chips fast
- Versatile: reduced shank diameter for use in 3/8 in. chucks
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