Drill Bit Extension, 12-Inch Length, 7/16-Inch Shank (DW1647)

The DEWALT DW1647 12-Inch Selfeed Bit Extension features an aggressive spur which provides fast material penetraion, and optimized cutting geometry which provides longer bit life. The open tooth design allows for more resharpenings giving longer bit life. Also features a 7/16" Ball groove shank for quick change applications. Commonly used by plumbers drilling rough holes in wood for running pipe. DEWALT is a leading manufacturer of industrial power tools with more than 300 power tool and equipment products as well as 800 power tool accessories. DEWALT tools can be found wherever tools are sold, nationally and internationally.