Amana Tool 54292 Carbide Tipped Classical Cove & Bead 3/16 x 5/16 Radius x 1-1/2 Dia x 5/8 x 1/2 Inch Shank chalk boxes mounted in a table

mounted in a table

these bits also are widely used for the same purpose on handrails

Cut perfectly fitted tongue-and-groove joints on stock between 1/2" and 3/4" thick with a table-mounted router and this assembly

Large gasket-sealed refill port

Amana Tool 54292 Carbide Tipped Classical Cove & Bead 3/16 x 5/16 Radius x 1-1/2 Dia x 5/8 x 1/2 Inch Shank chalk boxes mounted in a tableThe positions of the bead and the cove are reversed on this series of bits, with the bead coming off the bearing. With the optional 3 8" pilot bearing, the bit produces a fillet at the base of the bead. Largest diameter bits should be run at reduced speed. Use in a handheld or table mounted router.