MORSE Jobber Length Drill Bit, General Purpose, Series: 1363, Imperial, 1/4 in Drill - Fraction, 0.25 in Drill - Decimal Inch, 4 in Overall Length, 2-3/4 in Cutting Depth, High Spiral Flute, 2-3/4 in Flute Length, 1/4 in Shank, Straight Shank, 118 deg Point, Standard Point, Right Hand Cutting Direction, HSS Cutting Edge, No Through Coolant, HSS, Bright, Applicable Materials: Aluminum, Copper, Magnesium, Plastic, Soft Steel and Zinc