Outside diameter 4 1/2"
4"OD available by special order
Minor Diameter 3 1/2"
1 1/4" Bore
Versatile and easy-to-use.  These 6 cutter sets are designed to perform the 3 functions shown. Freeborn's standard sets cut 1/4” wide 
x 3/8” deep tongue and groove. Counterclockwise rotation with wood fed face down.

Produce 1/8" grooves, rebate and joint (up to cutting edge length) 

3 wing

can stack with other freeborn top groovers for custom widths

4" diameter

Freeborn Orange

1-1/4" Bore 

Carbide tipped

Made in USA by Freeborn Tools