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 aggressive 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 59Prop 65NoFeatures Aggressive spur provides fast material penetraion Open tooth design allows for more resharpenings 7/16" Ball groove shank for quick change applications Optimized cutting geometry provides longer bit life Includes(1) Self-Feed Bit Voltage: 60V Bit Size: 1-3/4 in Shank Diameter: 7/16 in Length: 3.000 in Width: 3.000 in Height: 5.500 in Weight: 0.680 lbs Bit Type: Specialty Shank Type: Hexagon Country of Origin: China Warranty: NLW Battery Included: No Product Type: FORSTNER DRILL BIT