The usual rule of thumb for a stacked dado set is this.
for contractor types, get a 6"
for cabinet types get an 8"
reason being, it takes less HP to spin the smaller blades.
get the biggest set your saw can handle.
that said, i have an 8" set on my contractors saw, i purchased mine
before i learned this "rule"
my TS does not have much trouble running the larger size, but as i
have never had need of a deeper dado than 3/4" , the 6" would have
Good suggestions in the other posts I've read so far. A good stackable dado
setup will serve you well for a long time so long as its not abused. Even
when I had my Delta CS, I decided on the 8" Freud 508. I was told that the
motor on the CS wasn't enough to swing that much mass when fully loaded -
horse pucky, it worked like a charm and never slowed down even on hard
You may not need the extra depth an 8" set provides but I did. Eventually
you may upgrade to a cabinet saw (3HP) and may need the extra depth for
making large mortises, half-laps etc. Exactly what I did and don't regret
spending the extra $50 for the 8". If you don't think you'll upgrade or
ever need the extra depth - then the 6" will satisfy your needs.
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