Titanium Nitride Coating dual flute spiral design provides longer life and better chip removal Split point tip increases speed Laser engraved numbers increases step visibility Equipped with a split-point tip that helps to increase speed and starts on contact, DEWALT Titanium Nitride Coating Step Drill bit features an innovative double-spiral flute design for long life and outstanding chip removal. Laser-engraved numbers helps to increase step visibility. Optimized for impact drivers. Works with rotary drills.
