- Titanium Nitride Coated two flute spiral design provides longer life and better chip removal for the DEWALT drill bit set
- Split point tip of the drill bit increases speed
- Laser engraved numbers increases step visiblity
- 1/4-inch hex shank
- Optimized for impact driver usage
From the manufacturer

Product Description
The DEWALT Metal Drill Bit Set features 3 innovative titanium step drill bits to power through a range of applications. Each drill bit is equipped with a split-point tip that helps to increase speed and starts on contact. An innovative double-spiral flute design delivers long life and outstanding chip removal. Laser-engraved numbers helps to increase step visibility. Optimized for impact drivers. Works with rotary drills.