Balanced and wobble free, these bits will drill where you want them to.
Ultra Smooth Duo auger bits are designed for demanding woodworkers who are looking for a bit that drills extremely clean, circular holes quickly and efficiently. Ultra Smooth Double Cut 18" x 1-1/4" 7/16” quick-change shank. These double flute, double cut bits offer similar performance to the triple cut version, but in longer lengths up to 24-inches. Ultra Smooth Duo Auger bits are made from our proprietary high-carbon steel and are designed to reduce fatigue on the user and lessen the strain on the tool’s motor and/or battery.