Bowl & Tray Bits
These are for routing trays, bowls, plates and boxes. They have a wide surface cut to quickly remove excess material. The 19mm Cutter Dia x 18mm Cutter Height x 3mm Radius x 12.7mm Dia x 40mm (1 5/8") Shank Length edition is suitable for draining board grooves on solid surface bench tops.
This diagram shows the cut profiles produced by the different cutters.