Chicago-Latrobe Jobber Length Drill Bit, General Purpose, Series: 150, Imperial, K Drill - Letter, 0.281 in Drill - Decimal Inch, 4-1/4 in Overall Length, 5XD Cutting Depth, 2 Flutes, Right Spiral Flute, 2-15/16 in Flute Length, 0.281 in Dia x 1.3125 in L Shank, Straight Shank, 118 deg Point, Radial Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Black Oxide, Applicable Materials: Carbon Steel and Cast Iron