Dado Blades For Ripping In Softwoods

[Joe Wood]

Folks, I need a new dado blade for my 12" T saw, thinking of going with a 10" blade. I mainly work with soft western red cedar, never ply or melamine.

do I want a negative hook when ripping?

I've looked at a few different brands, which one would you recommend??

[jack forsberg]

Folks, I need a new dado blade for my 12" T saw, thinking of going with a 10" blade. I mainly work with soft western red cedar, never ply or melamine.

do I want a negative hook when ripping?

I've looked at a few different brands, which one would you recommend??


these are my general thoughts on dado stacks and the type of work there used in


https://www.youtube.com/watch?v=Hl5NOx_vwD0

[Joe Wood]

Darn can't hear anything, my speakers are on the blink. Which one would you recommend for my needs?

[jack forsberg]

positive hock chip limiting 24 tooth count 4 tooth chippers No need for a 10" stack for most ripping work IMO but SFPM dictate size of blade as does HP of the saw.

[Bruce Page]

The Freud glue line rip blade works great in soft & hard woods.

https://www.amazon.com/Freud-Tooth-Ripping-Blade-LM74R010/dp/B00006XMTV

[glenn bradley]

The Freud glue line rip blade works great in soft & hard woods.

https://www.amazon.com/Freud-Tooth-Ripping-Blade-LM74R010/dp/B00006XMTV

Bruce is now busted for skimming the body of the post :D

[Bruce Page]

Bruce is now busted for skimming the body of the post :D
Yeah, I've read it 3 times and I’m still not sure I understand Joe’s question. Maybe the coffee hasn’t kicked in yet..

[jack forsberg]

Yeah, I've read it 3 times and I’m still not sure I understand Joe’s question. Maybe the coffee hasn’t kicked in yet..
he would like to know what type of dado stack to rip trenching/groves in solid is best to get

[Joe Wood]

Yeah I'm asking about dado stacks not TS blades. I need to cut a ~1" wide dado up a clear cedar 6x8 x 8', to run a conduit pipe in it.

on a 12" saw, would an 8" dado set be able to cut 1.5" deep??

[Bruce Page]

Thank's Joe, the "negative hook when ripping" question threw me off. The coffee's starting to kick in. :rolleyes:

[jack forsberg]

Yeah I'm asking about dado stacks not TS blades. I need to cut a ~1" wide dado up a clear cedar 6x8 x 8', to run a conduit pipe in it.

on a 12" saw, would an 8" dado set be able to cut 1.5" deep??
you do want the positive rake with chip limiting design . most belted arbor saw will cut close to 2" deep with an 8" stack. The 8" stack will not need as much HP as the 10" to make that cut .

[Joe Wood]

OK so I'll go with an 8", but all the 8" I've looked at have the neg hook.

which ones should I look at?

[Cary Falk]

For a 12" table saw, don't you need a 1" arbor hole? That would limit the choices.

[Alan Schwabacher]

If you have no speakers but want to know what's said in Jack Forsberg's video, just click on the youtube link, watch it there, and click on the cc button to turn on closed captioning. Then you can read what he says.

[jack forsberg]

For a 12" table saw, don't you need a 1" arbor hole? That would limit the choices.
http://dimar-canada.com/pdf/dado_instructions.pdf

[jack forsberg]

OK so I'll go with an 8", but all the 8" I've looked at have the neg hook.

which ones should I look at?
http://dimar-canada.com/pdf/dado_instructions.pdf

[Jerrimy Snook]

Check toolstoday.com for 651030-1 (https://www.toolstoday.com/p-5257-complete-dado-sets-amana-tool.aspx?&variantids=7405,0&keywords=651030-1). It is a 10" positive hook dado set with a 1" bore for $217.

[Joe Wood]

Right on Jerrimy, that's the exact blade I ordered, along with two extra 1/8" chippers :-)

thanks for the advice everyone!

[Phillip Gregory]

Folks, I need a new dado blade for my 12" T saw, thinking of going with a 10" blade. I mainly work with soft western red cedar, never ply or melamine.

do I want a negative hook when ripping?

I've looked at a few different brands, which one would you recommend??

You do not need a negative hook dado blade on a tablesaw, typically tablesaw blades designed to cut wood have a hook of +10 degrees or more. Negative hook blades are best for saws where the blade is pushed or pulled through the workpiece rather than the workpiece being pushed through the blade (sliding compound miter saws and radial arm saws) or when you are cutting manmade materials such as MDF, plastics, or metals. You can run a negative hook blade on a tablesaw to cut wood but it will be harder to feed and cut more slowly than a positive hook blade, which is why ripping blades are typically heavily hooked at +18-22 degrees.

You need to consider the possible cutting depth of a smaller blade on your saw as well. A typical belt-drive 12" tablesaw cuts 4" deep with a 12" blade, so 3" deep with a 10" blade, and 2" deep with an 8" blade. A direct drive saw will have significantly less cutting depth per inch of blade diameter. Also, saws designed to run larger diameter blades will typically have a lower arbor RPM than saws designed to run larger blades, which will cause a smaller blade to have less SFPM and cut more slowly/leave a poorer quality surface finish.

An 8 or 10" positive hook blade on your saw would be appropriate for your saw. Get a good one, a cheap one will leave you unhappy. You will spend at least $200-250 on one for a 1" arbor 12" saw, but it is money well spent. I spent $350 on a 12" diameter -12 degree hook Freud Super Dado set for my 7 1/2 hp DeWalt radial arm saw and it is worth every penny. I spent $50 on a cheap 8" carbide tipped madeinchina stack dado for my 3 hp 10" cabinet saw years ago and it was money wasted unless all you want to do is rough carpentry.