Forrest thin kerf blades -- 3/32 vs. .100

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Forum topic by Furnitude posted 05-07-2014 09:54 PM 1134 views 0 times favorited 3 replies Add to Favorites Watch
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380 posts in 3531 days

05-07-2014 09:54 PM

I’m about to pull the trigger on a new Forrest table saw blade with a thin kerf. Went to Amazon and was confused by these two choices:

Forrest Woodworker II Thin Kerf General Purpose Blade 3/32 Kerf

Forrest WW10407100 Woodworker II 10-Inch 40-tooth ATB .100 Kerf Saw Blade with 5/8-Inch Arbor

A 3/32” kerf comes out to .09375. Does anyone know the difference in these blades aside from the slight thickness difference? I ask because the .100 kerf blade is $20 cheaper and ships free in two days (with prime membership). Asking generally to give Scott a break!

-- Mitch, Also blog at

3 replies so far

View pintodeluxe's profile


5702 posts in 2837 days

#1 posted 05-07-2014 10:00 PM

It is probably the same kerf thickness, just a rounded number in the product description. Full kerf should be .125”
Make sure to buy from a seller that gives you all the details you need (tooth geometry, number of teeth, etc.)

Best of luck.

-- Willie, Washington "If You Choose Not To Decide, You Still Have Made a Choice" - Rush

View knotscott's profile


8056 posts in 3399 days

#2 posted 05-07-2014 10:21 PM

They should be the same blade. 3/32” is probably more of a kerf category than a spec. The 40T WWII TK has historically been 0.100”. The more expensive one might be newer stock. BTW, the last one I bought in 2007 was $60.84 shipped after discounts.

-- Happiness is like wetting your pants...everyone can see it, but only you can feel the warmth....

View woodchuckerNJ's profile


1276 posts in 1657 days

#3 posted 05-07-2014 10:30 PM

So I have the thin kerf blade, I love it, but I would not buy the thin kerf again I would buy the regular kerf.
When I tilt the blade over, or when cutting tapers the blade does deflect. All thin kerfs do.

When I cut a taper, I have to start at the narrow end . Generally you want to start at the top of the leg and cut down to the narrow end, which is a normal cut, otherwse you are cuting against the grain, like planing in the wrong direction.

So if you have a contractor saw I understand, but think about it. The forrest cuts so much better than others.

Give Forrest a call, talk with Tony, he’s a real good guy, and will answer your questions, the sale is from Forrest anyway, so just call them.

-- Jeff NJ

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