Drill America Jobber Length Drill Bit, Premium Quality, Series: D/AN, Imperial, F Drill - Letter, 0.257 in Drill - Decimal Inch, 4-1/8 in Overall Length, 2-7/8 in Cutting Depth, 2 Flutes, 2-7/8 in Flute Length, Round Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, HSS, Black Oxide, Applicable Materials: Iron and Steel