Used my dado blade the other day while making a new circle cutting jig. Same old problem I've had before and I've read about other places, them durned 'ol shims slipping into the threads.
I see some magnetic ones with a 3/4 bore are they worth the money spent?
Question about shim placement also. Does it matter where I put the shims in the stack? Next to arbor flange vs further out in the stack?