Don't Buy a 6-inch Dado Set

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Forum topic by bannerpond1 posted 02-16-2014 01:47 AM 1575 views 0 times favorited 2 replies Add to Favorites Watch
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397 posts in 1864 days

02-16-2014 01:47 AM

Years ago I bought a 6-inch Freud dado set. It works fine, to a point. Now that I use a sled to cut dadoes, they cannot be deep enough on some projects because the sled is of 3/4 plywood and the six-inch dadoes rise less than 1.5 inches from the table top. I am making some 3×3 maple table legs for a butcher block, and am “eating away” the tenons now. I had to stop and make a sled with 1/4 ply in order to get the blades high enough above the sled.

Short story: Don’t buy a six-inch dado set. What you save compared to an 8-inch set isn’t worth it. I’d gladly pay the difference now.

Don’t buy tools based on price.

-- --Dale Page

2 replies so far

View MrUnix's profile


6592 posts in 2165 days

#1 posted 02-16-2014 02:42 AM

Unfortunately, some table saws can only use 6” dado blades and using anything larger makes them unsafe (as per the manufacturer). It seems that you only needed an extra 1/2” of height, which reminded me about a post I saw a while ago of someone using 7 1/2” circular saw blades to make a dado substitute:

Since you already made a new sled, I guess it’s now a non-issue though.. but it might be an idea to think about for others facing the same situation.

(Article can be found at )


-- Brad in FL - In Dog I trust... everything else is questionable

View Kelly's profile


2002 posts in 2910 days

#2 posted 02-16-2014 05:34 PM

I had been getting by fine with my six inch stack, but then I bought an I-Box and tried cutting box joints in some 4/4 stock I had sitting around. That meant the blade had to raise 1-3/4”. With the washer, that just wasn’t going to happen.

However, I might be able to squeeze an extra 1/2” by taking out a bit more stock off the back side of the throat plate. Of course, I can always plane the stock or rip it, but the short of it is, bannerpond1 is right – why not avoid limitations from the get go?

The up side is, the six inch stack does fine for 3/4” stock, and I’ll have a couple dado sets to spread the [light] work load across.

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