Norseman Drill 01190 Jobber Length Drill Bit, Type 115, Style: General Purpose, Fractional Drill Size: 5/16 Inch, Point Angle: 118 deg, High Speed Steel, Black Oxide, Flute Length: 3-3/16 Inch, Shank Diameter: 5/16 Inch, Shank Length: 1-1/3 Inch, Overall Length: 4-1/2 Inch