MORSE Jobber Length Drill Bit, Series: 5330, Imperial, 21/64 in Drill - Fraction, 0.3281 in Drill - Decimal Inch, 4-5/8 in Overall Length, 3-5/16 in Cutting Depth, Standard Flute, 3-5/16 in Flute Length, 21/64 in Shank, Straight Shank, 118 deg Point, Standard Point, Right Hand Cutting Direction, Carbide Cutting Edge, No Through Coolant, Bright, Applicable Materials: Cast Iron, Non-Ferrous Metals, Composites, Hard Plastic, Fiberglass and Abrasive Non-Ferrous Metals