There's nothing worse than trying to connect one piece of plywood to another with dadoes or grooves that are 1/32" or more wider than the plywood that goes into them. This bit solves that problem. This is one of the undersized plygroove bits for use with 3/4", 1/2" and 1/4" plywood included with the 6-Pc. Plygroove/Flush-Trim Set.

Cutting Diameter 31/64"

Cutting Length 1"

 Overall Length 2-1/2"

 Shank Diameter 1/2"