Drill, Countersink and counter bore in one step. Four-cutter Countersink and tapered drill bit provide speed and finish.
The DeWalt countersink with tapered drill bit is ideal for fine-wood drilling and provides you with superior speed while leaving an ideal finish. Using a four-cutter countersink and 11/64-inch drill bit, this product is uniquely designed to allow you to drill, countersink, and counterbore all in one step. Replacement tapered bits are available.

DeWalt DW2568 #8 Countersink with 11/64-Inch Drill Bit