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Infinity vs. Ridge Carbide ?

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Forum topic by John posted 03-22-2009 04:17 PM 6780 views 0 times favorited 10 replies Add to Favorites Watch
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John

29 posts in 3244 days


03-22-2009 04:17 PM

Topic tags/keywords: blade

I haven’t been able to make up my mind now for a while so i figured i would see if anyone on here has any input to which is a better 8” dado set. I’ve narrowed my decision down to these two but would like some expert opinions on which one is better worth the money for clean, crisp, flat bottom dados. I also wanted to purchase the Ridge Carbide TS2000 blade and if both are purchased together its a decent discount. If the Infinity set is nicer then I don’t care about the savings. Thanks


10 replies so far

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TomHintz

207 posts in 2858 days


#1 posted 03-22-2009 10:25 PM

I have not used the Ridge dado set but have been a dedicated Dadonator (Infinity) user for a few years now. It has been the best dado set I have used and continues to perform perfectly.

See my review of the Dadonator here.

-- Tom Hintz, www.newwoodworker.com

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knotscott

7207 posts in 2835 days


#2 posted 03-22-2009 10:29 PM

Hi John – I’ve owned the TS2000, Infinity Super General, and Infinity Dadonator. The TS2000 is a great general purpose blade with a standard ATB design….made in the USA, offers a choice of full or thin kerf, and is very similar in design and performance to the Forrest WWII 40T. The Super General is also a great 40T general purpose blade, but it uses a Hi-ATB grind combined with a dual side grind. There are pros and cons to each design, and which to get should really be determined by what you cut the most. The lower angle of the ATB top bevel on the TS2000 means that it rips a bit more efficiently. The steeper Hi-ATB top bevel of the Super General gives it better slicing action for less tearout in plywood cuts, melamine, and crosscuts. The dual side grind of the Super General leaves a more polished edge. Both are pretty versatile, but in a nutshell the TS2000 rips a little better, and the Super General crosscuts a little better.

As far as the dado sets go…to date I’ve owned the Freud SD208, DeWalt DW7670, Systimatic 42T/6T Superfine set, and now have the the Infinity Dadonater. The Systimatic set was really good, but the Dadonator is better on just about every cut I’ve tried….it’s really impressive, and I suspect it’ll be tough to beat. I haven’t used the Ridge Carbide Dadomaster but Holbren’s website shows that the Ridge Carbide uses 4-tooth cutters, while the Dadonator uses 6-tooth cutters. Assuming both are top grade quality with precise manufacturing, more teeth should equate to a cleaner cut. There are other factors though…the “more teeth” philosophy didn’t give the Systimatic an advantage over the Dadonator. The Systimatic had a fairly steep positive hook, which helps with feedrate, but increases tearout…it looks to me like the Ridge Carbide cutters also have a fairly steep positive hook angle. Holbren’s website also shows the Ridge Carbide as making a perfectly flat bottom, which means it likely has flat top ground teeth, which is the only grind that will give a true flat bottom. (I’m speculating about the flat teeth though). If the Ridge Carbide does not use all FTG teeth, then the set won’t leave a perfectly flat bottom. The downside of using FTG teeth is that they’re more prone to tearout. The Dadonator uses 20° ATB teeth on their outside cutters to reduce tearout, combined with alternating FTG teeth. It also has a zero degree hook angle which helps minimize tearout. It leaves very tiny “bat ears” on each corner of the groove from those ATB teeth, but the FTG teeth minimize that effect, so that the bat ears are barely noticeable. The Dadonator should have an advantage in cuts across the grain, ply,melamine, and other laminates. The inside chippers on both sets are likely to be FTG teeth. Hopefully this all makes some sense.

FWIW, Infinity sells the Super General and the Dadonator as a package for $270, and it may qualify for their current 15% promotion and free shipping. Holbren has both Ridge Carbide blades and offers free shipping on orders over $75, and offers 10% with “SMC10”, “BT310”, or “woodnet10” discount to members of those forums. Good luck.

Dadonator review
Super General review


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

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knotscott

7207 posts in 2835 days


#3 posted 03-23-2009 02:25 AM

Correction to my post above:

”...the Ridge Carbide uses 4-tooth cutters, while the Dadonator uses 6-tooth cutters

The Ridge Carbade uses 4-tooth inside ”chippers”, and the Infinity has 6-tooth inside ”chippers”. AFAIK, both have 24-tooth outside “cutters”. Sorry to add confusion.

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

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John

29 posts in 3244 days


#4 posted 03-23-2009 02:36 AM

thanks for the replies. i keep hearing such good things about the dadonator but i havent come across anyone with personal experience with the ridge carbide set. such difficult decisions.

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knotscott

7207 posts in 2835 days


#5 posted 03-23-2009 03:45 AM

John – I think one of the problems finding people who’ve used both blades is the cost.

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

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John

29 posts in 3244 days


#6 posted 03-24-2009 12:06 AM

well i ordered the ridge carbide dado master last night $170 shipped. i hope it works good. ill post some pics once it arrives and you guys who have the dadonator can compare for me and let me know it i need to send it back.

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John

29 posts in 3244 days


#7 posted 03-25-2009 11:59 PM

well i got the ridge carbide dado master today and i dont know if im expecting too flat of a bottom or if these are decent. this is my first dado set. there is ridges at the bottom but they can barely be felt with a fingernail. i took as close of pics as i could so you guys could see. should i keep it or send it back? ok let me figure out how to post pics lol

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John

29 posts in 3244 days


#8 posted 03-26-2009 12:04 AM

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John

29 posts in 3244 days


#9 posted 03-26-2009 12:19 AM

this one does not seem very good to me
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John

29 posts in 3244 days


#10 posted 03-26-2009 12:24 AM

i hope its not my saw its a ridgid ts3650 i checked to make sure the arbor was clean .any suggestions?

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