Why do I need a dado nut on my Unisaw?

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Forum topic by b2rtch posted 05-15-2012 04:13 PM 1728 views 0 times favorited 7 replies Add to Favorites Watch
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4868 posts in 3290 days

05-15-2012 04:13 PM

Topic tags/keywords: tablesaw question

I see many advertisements for dado nuts for Unisaw table saws.
Why do I need a dado nut on my Unisaw?
I never had to use one before on the other saws I owned

-- Bert

7 replies so far

View Loren's profile


10477 posts in 3889 days

#1 posted 05-15-2012 04:28 PM

Probably so the flange doesn’t interfere in deeper cuts
made with the dado set, cutting tenons vertically for

View MrsN's profile


987 posts in 3767 days

#2 posted 05-15-2012 05:36 PM

I think it is something with how much of the regular flange is threaded. I don’t think you can get the flange tight on a stacked dado.
I tried to use the dado nut with a single blade, and it wouldn’t thread on all the way.

View b2rtch's profile


4868 posts in 3290 days

#3 posted 05-15-2012 06:26 PM

I just called Delta with my question.
The answer I received is : this is a stupid engineer idea, you do not need it.

-- Bert

View syenefarmer's profile


520 posts in 3322 days

#4 posted 05-15-2012 06:48 PM

If those were the exact words that Customer Service Rep said then I think I might ask for a second opinion. Just saying….........

View b2rtch's profile


4868 posts in 3290 days

#5 posted 05-15-2012 07:10 PM

I called again and I got a similar answer from another technician ( he just did not talk about the engineer). I do not need a special nut for dado

-- Bert

View Fred Hargis's profile

Fred Hargis

5244 posts in 2735 days

#6 posted 05-15-2012 07:55 PM

I’ve never even heard of a “dado nut” for the Uni. I run a stacked dado all the time with just the nut, on the wider cuts there is no room for the flange washer….......maybe that’s why they want to pick your pockets.

-- Our village hasn't lost it's idiot, he was elected to congress.

View DrDirt's profile


4526 posts in 3984 days

#7 posted 05-15-2012 08:09 PM

I have a unisaw, and use the freud stacked dado with the dial plate – and have always just used the regular nut over the past 7 years I had it..
Never knew there was such a thing as a dado nut.

I have seen the picture of the 36-201 nuts.

It looks like they have these two options becasuse the NEW Standard nut is one piece with teh flange washer. My saw has a ~2 inch flange and just a hex nut.

The new design (standard) with this flange attached would not work on a Dado set, that has a recessed hole. (like my Freud)

Since I have the OLD standard hex nut – it works on all blades just fine.

-- “The two most important days in your life are the day you are born and the day you find out why.” Mark Twain

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