Leon has provided some specific Forrest blade info but generally, 24-30T is
considered a rip blade, 40-50T a combo blade, 60-80T a crosscut blade. You
can check the blade manufactures sites and you will find they all put their
own twist on the definitions and vary the tooth combinations for different
I used a thin-kerf Forrest WWII combo (40T) on my Delta CS (1-1/2hp) and
found it to be a great blade as long as the stabilizer was used and that I
wasn't cutting stock over 5/4 thick. Past that and the saw was
I have the Forrest 30T regular kerf, on a Jet cabinet saw now and just
finished making some French door thresholds that had a 9 deg cut thru 3" of
hard maple, 6' long and not a single burn or tooth mark. Try that on a saw
with less than 3hp and you end up making firewood.
I recently read that DeWalt has come out with a combo blade that sells for
$59 and was aimed directly being a Forrest killer.
May want to take a look at that.