The DEWALT DW1788 3/8-Inch and 1/2-Inch 1/4-Inch Shank Step Drill Bit offers you maximum versatility with self starting, single hole, multiple hole, and hole enlarging capabilities in metric and standard sizes. The bit includes a double-fluted design that enhance speed and accuracy. Easy-to-read size markings offer simple hole identification. The innovative bit design also features flats on the shank to eliminate slipping in the chuck.
From the Manufacturer
DeWalt DW1788 3/8-Inch and 1/2-Inch 1/4-Inch Shank Step Drill Bit