Rich,
I agree with Ken to use aluminum and unthreaded as the FVB will be abutting the Tormek housing 99% of the time for most users. If you are sharpening cleavers regularly, anyone could easily use a home made stop block to get even spacing on an alternative "wider spacing" for this purpose; thus threads are not needed for accuracy.
Beaker.
I agree with Ken to use aluminum and unthreaded as the FVB will be abutting the Tormek housing 99% of the time for most users. If you are sharpening cleavers regularly, anyone could easily use a home made stop block to get even spacing on an alternative "wider spacing" for this purpose; thus threads are not needed for accuracy.
Beaker.