"Mike Pio" wrote in message
news:nGD8f.60818$WR2.55530@fed1read03...


I have a door making set for the shaper that cuts a 7/16" deep by 1/4"
wide
groove (with no profile just as you specify).

Mike

Can you post a link to this router bit set -- I make a few of these doors
from time to time and having a router bit set might speed things up bit