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Dado blade question

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Forum topic by sh2005 posted 02-28-2011 08:18 AM 1290 views 0 times favorited 9 replies Add to Favorites Watch
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sh2005

97 posts in 2701 days


02-28-2011 08:18 AM

I have never used dado blade set and now I have a need to make quite a lot of dado and rabbet cuts. One cut needs to be 1/8 in wide. Is it possible to use just one of the outside blades from the set, like a regular blade? I believe most of the dado sets have the outside blades 1/8 inch wide. The saw blade i use is less than 1/8 inch. My other option is to use a router.


9 replies so far

View Bill Davis's profile

Bill Davis

226 posts in 3388 days


#1 posted 02-28-2011 09:02 AM

I have used just one outside blade of my dado set without any negative consequence.

View lilredweldingrod's profile

lilredweldingrod

2495 posts in 2571 days


#2 posted 02-28-2011 09:05 AM

For rabbets I prefer to use my router with this Whitside set.And I use an adjustable dado jig with my router and 1/2 inch straight bit. I have a dado set, but I feel I have more control with the router
https://s3.amazonaws.com/vs-lumberjocks.com/lhbfl6c.jpg!

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patron

13537 posts in 2805 days


#3 posted 02-28-2011 09:12 AM

or just get a 1/8th” blade for that cut
a 1/8” router bit works
but i have broken many
they get hot for production work
you need to go slow

-- david - only thru kindness can this world be whole . If we don't succeed we run the risk of failure. Dan Quayle

View ScottN's profile

ScottN

261 posts in 2144 days


#4 posted 02-28-2011 01:19 PM

Yes..like Bill said… you can use one of the blades.

I use to use dadoe blades until I had a job where I wanted the dadoe to stop half way into the project I was working on. I picked up a set of plywood router bits and have not seen nor will ever see another dadoe blade in my shop again.

-- New Auburn,WI

View knotscott's profile

knotscott

7214 posts in 2840 days


#5 posted 02-28-2011 01:51 PM

Stacked dado sets are designed to be used with both outside cutters in place, and have a distinct right side, left side designation. The overhang of the teeth is offset so that there’s more overhang on the outside…the two cutters combine to work as one wide blade, so I wouldn’t suggest using just one.. That’s not saying you can’t, but I’m sure the manufactures would recommend against doing it because it’s not as safe. A single inside chipper might work out ok, but as suggested, if you’re going to use a blade, a regular 1/8” full kerf blade with a flat top grind (FTG) is really your best bet.

The router is a viable option…you just have be gentle b/c a 1/8” bit will break pretty easily.

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

View sh2005's profile

sh2005

97 posts in 2701 days


#6 posted 02-28-2011 03:53 PM

Thank you for the input everyone. I will look look for the 1/8 kerf blade with flat top grind. I found a used Freud dado set for a decent price, so I thought I check the viability of what I am trying to do first. I have broken the narrow straight bits before by going too fast. Instead I am thinking of using a slot cutter bit. I haven’t usred it yet nut it seems like it will allow faster feed. I don’t have a whole lot of time for this project, so anything that speeds up a task is helpful.

Scottn, what’s your reason for not going back to a dado set?

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knotscott

7214 posts in 2840 days


#7 posted 02-28-2011 04:30 PM

A slot cutting bit should work out very well.

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

View sh2005's profile

sh2005

97 posts in 2701 days


#8 posted 02-28-2011 04:35 PM

Knotscott, btw, I had seen your review of the infinity dado set. I use infinity’s saw blade and I am very happy with it.

View ScottN's profile

ScottN

261 posts in 2144 days


#9 posted 03-01-2011 04:20 AM

The reason I would never go back to dadoe blades is I get a perfectly clean no tear out dadoe every time. I don’t have my tablesaw tied up, I can start and stop my dadoe whenever I want. dadoeing for plywood was always a pain but with the plywood router bits there’s no shimming…just throw the router bit in and go.

Just another way to skin a cat…its just the way I prefer.

-- New Auburn,WI

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