Milwaukee 15-Piece Thunderbolt Drill Bit Set
Usually $33.97
Price checked today at 04:10 CT
Tired of drill bits that walk and overheat?
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Our read on this product
These bits are built to last, which is a noticeable difference when you're drilling through tougher materials or making repeated holes. The thicker core and parabolic flute design work together to clear chips efficiently and keep the bit cool, meaning less downtime and a longer lifespan for the tool itself. You'll likely find they require less force to push, reducing fatigue during extended use, especially with portable drills where control is key.
The 135-degree split point tip is a small detail that makes a big difference in practice. It means the bit starts exactly where you place it, preventing that frustrating tendency for standard bits to "walk" or wander across the surface before biting in. This precision is invaluable when accuracy matters, whether you're working on a home project or a professional job, and it contributes to cleaner, more professional-looking holes.
What makes it stand out
- The Thunderbolt series features a thicker core and parabolic flute design for enhanced durability and chip clearance compared to standard bits.
- The 3-flat shank offers a more secure grip in the chuck, reducing the likelihood of slippage.
- The 135-degree split point tip allows for precise starts on contact, preventing bit walking.
When this isn't the right fit
- The set is manufactured in China.
Real-world notes
- The 3-flat shank really does prevent slippage in the chuck.
- These bits stay cooler and clear chips faster than others I've used.
- The split point tip makes starting holes much easier and more accurate.
Consider this set when your projects demand precision and durability beyond standard bits.
How this price compares over time
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