Chicago-Latrobe Jobber Length Drill Bit, General Purpose, Series: 150, Metric/Imperial, 0.283 in Drill, Metric, 0.2835 in Drill, Decimal Inch, 4.291 in Overall Length, 5XD Depth of Cut, 2 Flutes, Right Hand Spiral Flute, 2.717 in Flute Length, 1.575 in Diameter x 1.575 in Shank Length, Straight Shank, 11, 118 Degree Point, Radial Point, Right Hand Cutting Direction, HSS Cutting Edge, No Step Coolant, HSS, Black Oxide, Applicable Materials: Carbon Steel and Cast Iron