DEWALT DW1623 11/16-Inch Black Oxide 3/8-Inch Shank Reduced Shank Twist Drill Bit
Reduced shank black oxide drill bits from DeWalt are ideal for drilling holes larger than 3/8-inch with a standard 3/8-inch drill. These bits can be used in general applications including drilling in non-ferrous metal, wood, and plastic. Typically, the larger sizes are used in metal.