Amana - A45480 2" Cut Diameter Straight Plunge BitAmana A45480 2" Cut Diameter Straight Plunge Bit Use a two flute bit where fine finish is paramount. Two flutes balance the bit, eliminating vibration that degrades the cut finish. Two cuts per revolution yield a smooth surface, but feed rate is slightly reduced. Two flutes ensure balance and reduce vibration, resulting in a smooth finish and a high level of precision on each cut. Specifications Cut Diameter: 2" Shank: 1 2" Cut Length: 1 1 4" Overall