Confusion with Ryobi tablesaw RTS30 and what to buy for Dado Cutting

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Forum topic by Kelechim posted 06-04-2012 12:10 AM 4818 views 0 times favorited 2 replies Add to Favorites Watch
View Kelechim's profile


2 posts in 2389 days

06-04-2012 12:10 AM

Topic tags/keywords: ryobi rts30 dado stacked blade 6 in stacked dado

Hi All,
I did my research and read all about wobble cuts and cutting dados with stacked blade set. I finally bought the RTS30 Tablesaw from Home Depot specifically bc it said I could make a dado cut.

The instructions in the manual are not clear imho. Page 35 says I need to buy dado throat plate. OK, I understand so far. Then…..”This saw is designed for 5/8 in dado cuts. With theprchase of the optional dado throat plate, it can be used with a 6 in. stack dado (up to width of 3/4 in) do not use an adjutable dado or molding cutters on this saw.”

So….am I correct in assuming that I am not able to cut dado using wobble method. If I can, then how would I do it?

I would prefer using a 6” stacked blade, but do not understand why manual says I can use one up to width of 3/4 in. when the saw is designed for 5/8 ” dado cuts? Isn’t 5/8” skinnier than 3/4”?

I am new to this. Any help would be appreciated, as I want to build a better bookshelf that my husband who sux at woodworking will not make fun of this time around. I am just at the end of a 3 year re-model that has taken far too long and dadgummit I want to cut a dado.

Can anyone tell me exactly what size and brand dado you have used with this table saw successfully?

Many thanks in advance,

2 replies so far

View Nicky's profile


695 posts in 4298 days

#1 posted 06-04-2012 08:34 PM

I don’t own this saw, just wanted to put that out first.

I would believe that the limitation on a dado head of 3/4 would be a function of the arbor size on the motor. You should be able to fully engage the nut on the arbor. If you can do this with a 3/4 stack, you’re good. The QA on user manuals is not as good as it should be.

The adjustable dado, specifically the wobblers will really tax you motors arbor. They are naturally unbalanced. Your saw was built to be lightweight and portable. I can only guess that the motor and mounting hardware on this saw will not do well with such an un-balanced blade.

I’ve been using the Delta 8” and I’m happy. Search this site for reviews on 6” sets, you’ll get plenty of opinions. Your choice should be based on the work you’re doing, what results are acceptable and budget. You have lots of choices.

-- Nicky

View bondogaposis's profile


5098 posts in 2557 days

#2 posted 06-04-2012 10:02 PM

The 2 main things to consider is, one, can you fit a 3/4” stack dado on it and still fully tighten the arbor nut and, two, is the the throat insert wide enough to accommodate it. Throat inserts are easy to make to any size you need, so that is not too much of a problem. But being able to tighten the arbor is a huge issue and if you can’t fully tighten the nut then you are asking for some scary bad things to happen.

-- Bondo Gaposis

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