Drillco Jobber Length Drill Bit, Series: 240, Imperial, K Drill - Letter, 0.281 in Drill - Decimal Inch, 4-1/4 in Overall Length, 2-15/16 in Cutting Depth, 2 Flutes, Spiral Flute, 2-15/16 in Flute Length, Straight Shank, 118 deg Point, Conventional Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Black Oxide, Applicable Materials: Cast Iron, Steel and Steel Forging