Balanced and wobble free, these bits will drill where you want them to.
1-3/8" DIA. 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. An excellent choice for woodworkers, timber framers, pole barn builders, lineworkers, arborists and others. 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.