Chicago-Latrobe Jobber Length Drill Bit, General Purpose, Series: 150, Imperial, H Drill - Letter, 0.266 in Drill - Decimal Inch, 4-1/8 in Overall Length, 5XD Cutting Depth, 2 Flutes, Right Spiral Flute, 2-7/8 in Flute Length, 0.266 in Dia x 1.25 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