Tired of drill bits that dull quickly and snap under the slightest pressure. Then step up to DEWALT Black Oxide Drill Bits. These industrial-grade twist-drill bits are cut from super-hard， resilient black oxide for the ultimate in durability and strength. Each bit features a 135° split point for enhanced hole-drilling performance， including quick starts and clean， burr-free holes. For use in wood， metal， plastics and fiberglass.
- 29-piece set
- 135° split point drills on contact and prevents walking
- Parabolic flute design improves chip ejection in metal and wood drilling applications
- Black oxide coated for greater wear resistance
- Helix is 31° which minimizes the over aggressiveness of a true parabolic flute
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