Amana Tool 1/2 in Shank 2 Flute Carbide High Production Straight Plunge Router Bit, 1/2 in x 4-1/4 in, 2 in Cutting Height
AMN45426 MFG #: 45426
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.