Standard Pack = 1 piece(s). Decimal Equivalent = 0.625 ; Flute Length = 2-1/4 IN ; Flute Type = Straight Flute ; Material = Carbide Tipped ; Number of Flutes = 6 ; Overall Length = 9 IN ; Shank Diameter = 9/16 IN ; Shank Type = Standard Straight Shank ; Size = 5/8 IN ; Size Type = Fractional Size ;