Standard Pack = 1 piece(s). Decimal = 0.4844 ; Metric = 12.3 mm ; Length Style = Stub ; Coolant Thru = No ; Fractional Size = 31/64 inch ; Flute Length = 2-3/16 inch ; Overall Length = 4-9/32 inch ; Shank Diameter = 1/2 inch ; Point Angle = 130 Degree ; Thinning = R Thinning ; Material = HSS-Co ; Coating = TiN ; Flute Angle = 25 Degree ; Number of Flutes = 2 ; Length = 4.45 ; Width = 0.75 ; Height = 0.65 ;