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Forum topic by Ron Ford posted 08-27-2014 10:09 PM 984 views 0 times favorited 20 replies Add to Favorites Watch
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Ron Ford

124 posts in 486 days


08-27-2014 10:09 PM

Hello all – I have been using a Craftsman ‘wobble-blade’ style of dado blade for more years than I want to remember, and it is time (actually, well past time) to invest in a new setup. I have been very pleased with the results this one has given me and have probably cut 1000’s of feet of dadoes with it, but it is past its’ prime.

Any ideas on which one to get – or just as importantly, which ones to avoid? I’ll be mounting it on my 10” 3 hp Grizzly G0690 and using it for some finish and joinery cuts as well as run-of-the-mill projects.

Thanks in advance for what I know will be valuable feedback from my fellow LJers.

Ron

-- Once in awhile I make something really great. Most days I just make sawdust.


20 replies so far

View AandCstyle's profile

AandCstyle

1487 posts in 1011 days


#1 posted 08-28-2014 12:21 AM

Just to get the discussion started and since you didn’t mention the desired depth of cut or budget, take a look at this one and let us know your thoughts.

-- Art

View Ron Ford's profile

Ron Ford

124 posts in 486 days


#2 posted 08-28-2014 01:17 AM

Thanks, Art. Very good points and I appreciate your response.

I think the maximum depth of cut I am likely to need/want is no more than 3/4” based on past uses. I don’t mind spending the kind of money that this set goes for, and may even consider the 8” set if it makes more sense. Based on the reviews given the product, a major concern seems to be checking to be certain the arbor on my saw is big enough to accommodate this one. I haven’t checked the Freud site yet but will do so before getting too far along.

Any other insights will be appreciated, and thanks again.

Ron

-- Once in awhile I make something really great. Most days I just make sawdust.

View distrbd's profile

distrbd

1316 posts in 1200 days


#3 posted 08-28-2014 01:49 AM

Freud “6 SD206 set is what I highly recommend.

-- Ken from Ontario

View realcowtown_eric's profile

realcowtown_eric

381 posts in 691 days


#4 posted 08-28-2014 02:26 AM

I had a 10” dado set that needed retoothing, had been sharpened too many times.

Cost of doing that, was way more than high tooth count 8” Went with that x many years ago, 8” does just fine. Made multiple zero clearance ply inserts….Augmented it with a matched set of 4 cheap 7 1/4 skill saw blades for the narrower dados, set of plastic shims (argh!!!-PITA)

Warning…. lots/most of the dado sets have a negative rake, so they tend to lift the work. That’s just the way they are made. Two passes for accuracy in depth.

8” will do 99.9 percent of what you need at a price you can afford.

Eric in Calgary

-- Real_cowtown_eric

View Paul's profile

Paul

586 posts in 319 days


#5 posted 08-28-2014 02:50 AM

If your cutting no more than 3/4” dado’s I don’t see any reason for anything more than a 6” stack. They are less strain on the motor and cheaper to resharpen.

My personal preference is the 6” Oshlun stack. I had to sharpen my freuds almost 6 months before my last oshlun’s.

Paul

View knotscott's profile

knotscott

5610 posts in 2129 days


#6 posted 08-28-2014 01:35 PM

Hi Ron – The Infinity Dadonator is the best set I’ve used to date….very precise, very clean cutting. The Delta/DeWalt 7670 dado set can be one of the better values on the market right now if you can find it less than $120. It’s cleaner cutting than most of the sub-$100 sets, and gives a taste of the higher end sets for close to half the cost….great carrying case and shim stock too. CMT, Amana, Forrest, Freud, Irwin Marples, Ridge Carbide, Systimatic, and Tenryu are a few others I’d at least consider. Sale prices on Oshlun/Avenger sets can be attractive, but regular pricing doesn’t give them much advantage over other sets. Your saw should handle any of these with ease. 8” has some performance advantage, but 6” will work well too, and can be cheaper, but not always.

It’s hard to find a decent dado set for < $70. I’d avoid the Mibro, Skil, Vermont America, the Avanti set at HD, Oldham, most current Craftsman models, and HF sets.

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

View Gene Howe's profile

Gene Howe

6058 posts in 2182 days


#7 posted 08-28-2014 02:15 PM

I use a Tenryu 8”. I wish now that I’d gone with the 6”. It’s a good cutting set but the bat wings are huge. I had them ground off so I get flat bottoms for box joints and other exposed joints.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View bigblockyeti's profile

bigblockyeti

1813 posts in 474 days


#8 posted 08-28-2014 02:23 PM

I have the 8” Freud safety dado set and am very please with the results I’ve gotten on my Unisaw.

View FancyShoes's profile

FancyShoes

104 posts in 118 days


#9 posted 09-01-2014 01:14 AM

I have heard the term “Dato Blade” I think i need to look up what that is. if anyone knows the best place for me to read about them please let me know.

View derosa's profile

derosa

1557 posts in 1589 days


#10 posted 09-01-2014 01:21 AM

I picked up this one http://www.amazon.com/CMT-230-012-08-8-Inch-Teeth-Grind/dp/B000Q95T60/ref=sr_1_1?s=hi&ie=UTF8&qid=1409534147&sr=1-1&keywords=cmt+dado+blade+set back when lowes clearanced them for 25.00 and find it does a really nice job. Teeth are profiled to make a flat bottom which my old set couldn’t do. Does seem to maintain a consistent width which is typically what matters most to me.

-- --Rev. Russ in NY-- A posse ad esse

View TheDane's profile

TheDane

3997 posts in 2417 days


#11 posted 09-01-2014 01:25 AM

The Delta/DeWalt 7670 dado set can be one of the better values on the market right now if you can find it less than $120.

+1 for KnotScott’s suggestion. I have the Delta version (no longer available) and am very happy with it. Flat bottoms, no bat-ears, etc.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

View jacquesr's profile

jacquesr

173 posts in 177 days


#12 posted 09-01-2014 03:01 AM

View Marv88's profile

Marv88

42 posts in 653 days


#13 posted 09-01-2014 04:27 AM

If you don’t have any aversion to Craftsman as some seem to you can get the Delta/Dewalt clone from Sears for about $100.00..

http://www.sears.com/craftsman-cm-8in-stacked-dado/p-00937666000P?prdNo=3&blockNo=3&blockType=G3

-- "Post count on a forum does not denote level of knowldege, skill nor experience"

View ducky911's profile

ducky911

232 posts in 1543 days


#14 posted 09-01-2014 04:17 PM

happy with my forest.

View buildingmonkey's profile

buildingmonkey

194 posts in 301 days


#15 posted 09-07-2014 07:42 PM

I bought the Oshlun 8” from Carbide Processors, like it. Lots of teeth, the center blades have 6 teeth, extra spacers and shims for different and bigger than 3/4” grooves, or less than 3/4” for the undersized ply. I got free shipping, and also bought 3 other blades at the same time, the other blades are Tenryu, best blades I have ever used. Got a rip, crosscut, and a ply blade.

-- Jim from Kansas

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