A "J" bit is just a bit bigger than 7mm. Works for me.
I dont think you will need to use a bigger bit but why not test on scrap wood first?
Measure once, cut twice; Measure twice, cut only once
I cut a blank twice the other day and it was still too short:biggrin::biggrin:
Do a good turn daily!
Don
I dont think you will need to use a bigger bit but why not test on scrap wood first?
Measure once, cut twice; Measure twice, cut only once