Alfa USA Screw Machine Length Fractional Drill Bit, 1-3/16" Diameter, 1.1875 Decimal Equivalent, 4-1/4" Flute Length, 6-5/8" Overall Length, High Speed Steel, 118° Point, Black Oxide Finish, Straight Shank, Right hand Spiral, NAS 907 Type C, Heavy Duty, Made in USA