Dado Blade Help

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Blog entry by Brad posted 07-19-2008 12:53 AM 3723 reads 0 times favorited 8 comments Add to Favorites Watch

So I need to get myself a dado blade. There was an article i had read i believe on a few months back that went through how to pick the correct dado blade for your saw.

I have the old Craftman contractors saw with the flex drive. It’s on 110v. But in a few months I am going to pick up the new Sawstop contractors saw.

I don’t want to “wobble” blade those things look and sound like nothing but a pain in the butt with poor results.

-- Brad --

8 comments so far

View Scott Bryan's profile

Scott Bryan

27250 posts in 3785 days

#1 posted 07-19-2008 01:17 AM

I have an 8” dado set from Forrest that I use on my Craftsman saw. I have been using it for 3 years and have not had to sharpen it yet. It is pricey ($265 from Forrest) but I am a firm believer that Forrest blades are one of the top lines of saw blades.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View lew's profile


12017 posts in 3718 days

#2 posted 07-19-2008 01:23 AM

Your decision will be dictated partly by the saw’s arbor size and the maximum capability of the blade size. Most contractor saws have a 5/8” arbor and the dado blade size is usually 8”.

Get a stacked dado set. With all of the plywood types available, look for a set that has a special chipper sized to cut dados the same thickness as most plywood sizes (about 1/32” undersized). Also get a set of magnetic shims for getting those really nice fits. The magnetic shims stay in place better than the plastic or brass ones (speaking from experience here).

I forget the technical abbreviation, but look for a set that will cut a flat bottom the complete width of the dado. I think it is the raker tooth that does this.

A good set is not cheap but it is worth it .

Hope this helps.


-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View marcb's profile


768 posts in 3637 days

#3 posted 07-19-2008 02:11 AM

I picked up a set made by Mibro – it had fairly good reviews and its currently selling for less than 40 on Amazon which is cheap compared to Freud or higher. I have not received mine yet so I cannot give you a personal Thumbs up yet but when I get it I will post a review here.

View motthunter's profile


2141 posts in 3762 days

#4 posted 07-19-2008 02:38 AM

wobble dado blade = The wost tool you will ever buy

There are many great dado sets available out there. Decide how precise you want to be and buy accordingly.

-- making sawdust....

View Jimthecarver's profile


1124 posts in 3749 days

#5 posted 07-19-2008 03:22 AM

I have a wobble blade, it was givin to me. It is almost impossible to get the perfect cut your trying to acheave. has a set on sale it looks good but am still undecided. It maybe worth a look.
Good luck

-- Can't never could do anything, to try is to advance.

View matt garcia's profile

matt garcia

1892 posts in 3635 days

#6 posted 07-19-2008 04:28 AM

I’ve owned 2 different dado blades. A cheapie that I got on ebay, and my 6” Forrest Dado King. I got my Forrest on Amazon on sale, and promotion for $211.49. I realize that is a lot of money, but my philosophy is buy the best tool once, and never buy it again. Forrest blades are the best you can buy, or use. Just do a search anywhere, and you’ll see how much woodworkers all agree they are the best they’ve ever used. I love all of my Forrest blades.

-- Matt Garcia Wannabe Period Furniture Maker, Houston TX

View ChicoWoodnut's profile


904 posts in 3778 days

#7 posted 07-19-2008 06:12 AM

I have a systimatic and it rocks for the price ($180). It has big beefy carbide tips on both the blades and the chippers.

Don’t forget to make sure the arbor on your saw is long enough to fit the stack on and still have room for the flange and nut.

-- Scott - Chico California

View marcb's profile


768 posts in 3637 days

#8 posted 07-23-2008 09:56 PM

I just made a few test cuts with the Mibro set. I only did 3/8” wide so its not a BIG test yet however it cut flat.

I ran it around all 4 sides then down the middle of a hunk of 3/4” birch plywood. Set to 3/8” depth. It made nice flat cuts and the width spec’d out fairly dead on with the calipers.

For the money (amazon has it for $35ish right now) it seems to be good. Comes in an OK box to hold all the parts.

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