DEWALT Drill Bit, Self Feed, 2 Inch (DW1636) Product Description Professional contractors rely on DEWALT Self-Feed Wood-Drilling Bits when they need to bore holes 1" or larger for pipes, cables, and ductwork. Select sizes of these ultra-heavy-duty bits feature a triple-cutter design** that delivers long life, minimal binding and fast chip ejection. An aggresive self-feeding screw-tip pull the bit easily through the toughest materials. Standard 7/16" Quick Change Shank allows for fast bit changes in quick change ready tools like the FLEXVOLT 60V MAX* Brushless Cordless Quick-Change Stud and Joist Drill (DCD471) while preserving backward compatibility with chuck based non quick connect tools. * Maximum initial battery voltage (measured without a workload) is 60 volts. Nominal voltage is 60 From the Manufacturer DeWalt DW1636 2-Inch Bit with 7/16-Inch Shank Selfeed Bit Features Three hardened cutting surfaces deliver long life, minimal binding and fast chip ejection Aggressive replaceable tip pulls bit easily into wood 7/16" Quick Change Shank for fast bit changes Open tooth design allows for easy resharpening Aggressive spur provides fast material penetraion Optimized cutting geometry provides longer bit life Open tooth design allows for more resharpenings 7/16-inch ball groove shank for quick change applications USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.