Norseman Drill 25720 Screw Machine Length Drill Bit, Type 135, Heavy-Duty, Fractional Drill Size: 5/16 Inch, Point Angle: 135 deg, Point Type: Split, Flute Length: 1-5/8 Inch, Shank Length: 1-1/5 Inch, Overall Length: 2-13/16 Inch