Amana Tool Top Mount Bowl & Counter-Top Router Bits with Upper Ball Bearing Guide Option:57142 Solid Surface Top Mount Bowl 14 Deg Angle x 1-1/8 Inch Dia x 1 x 1/2 Shank Router Bit Premium Aluminum Titanium Nitride (AlTiN)

Premium Aluminum Titanium Nitride (AlTiN) coating provides quantum increases in productivity

Since the carbide in the DITEC™ is harder than other carbides

Cut extrusions and profiles

clean chip removal

Amana Tool Top Mount Bowl & Counter-Top Router Bits with Upper Ball Bearing Guide Option:57142 Solid Surface Top Mount Bowl 14 Deg Angle x 1-1/8 Inch Dia x 1 x 1/2 Shank Router Bit Premium Aluminum Titanium Nitride (AlTiN)2 Flute With Ball Bearing Guide To prepare counter top & bowl edges for topmount or 'drop in' type sinks & bowls. Among others, used for Corian sink & bowl #'s 809E, 810, 871E and 872E. Replacement bearing #47738. Replacement collar #47740.