MORSE Jobber Length Drill Bit, Series: 5330, Imperial, 5/16 in Drill - Fraction, 0.3125 in Drill - Decimal Inch, 4-1/2 in Overall Length, 3-3/16 in Cutting Depth, Standard Flute, 3-3/16 in Flute Length, 5/16 in Shank, Straight Shank, 118 deg Point, Standard Point, Right Hand Cutting Direction, Carbide Cutting Edge, No Through Coolant, Uncoated, Applicable Materials: Cast Iron, Non-Ferrous Metals, Composites, Hard Plastic, Fiberglass and Abrasive Non-Ferrous Metals