Standard Pack = 1 piece(s). Decimal = 0.1610 ; Metric = 4.09 mm ; Length Style = Taper ; Coolant Thru = Yes ; Wire Gauge Size = #20 ; Flute Length = 45 mm ; Overall Length = 85 mm ; Shank Diameter = 6 mm ; Point Angle = 140 Degree ; Thinning = R Thinning ; Material = Carbide ; Coating = TiAlN ; Flute Angle = 30 Degree ; Number of Flutes = 2 ; Length = 3.5 ; Width = 0.45 ; Height = 0.35 ;