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-degree split point for enhanced hole-drilling performance， including quick starts and clean， burr-free holes. For use in wood， metal， plastics and fiberglass.
21-piece set
135-degree 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 degrees which minimizes the over aggressiveness of a true parabolic flute
Comment