JCC52 wrote
Thanks, I am looking for a way to cut tongue and groove joints, and was trying to use the shaper set up on the Shopsmith. All the tongue and groove shaper cutters have 3/4" bores. I was looking for a work around. I have found 1/2" shank router bits and that may be the route I go.
Corob Cutters offers T&G shaper profiles in 1/2" bore. (
https://corobcutters.com/shaper-profiles-1) These are fixed profile, 1/4" tongue/groove, so may not be what you are looking for. I would think there are others out there. Alternatively, you may be able to use sleeves or bushings to adapt a 3/4" bore to the 1/2" arbor if there is a particular cutter set you like.
- David