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How to Cut Dadoes for Drawer Bottoms on the Table Saw

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Forum topic by MT_Stringer posted 07-17-2014 03:13 AM 2010 views 0 times favorited 6 replies Add to Favorites Watch
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MT_Stringer

2850 posts in 2691 days


07-17-2014 03:13 AM

Topic tags/keywords: tip tablesaw dado blade

No, this is not a question. It is simply a description of my efforts to make dadoes for drawer bottoms.

I am building 14 drawers which will have 1/4 inch bottoms using birch plywood from the big box store. I can’t remember where I read about using circular saw blades, but that is what I did and the results were great.

I bought a pair of regular 24 tooth 7 1/4 inch blades (general construction) at the big box store. I added a couple of shims and VOILA!, a plywood dado blade setup! It only took two tries to get the desired width, which allows just enough space for the panel to slide into the drawer stock.

I also made some crosscuts in the drawer sides, but the cuts weren’t real smooth. A little sanding took care of that. I would imagine a pair of blades with a lot more teeth would be better for the cross cuts.

But for ripping, the dadoes were smooth. And as you can see in the picture, I marked the shims so I can do this again in the near future for the last eight drawers.

Hope you find this info helpful.

Note: I do have a router bit made for undersize plywood, but this table saw method is just too easy.
Mike


-- Handcrafted by Mike Henderson - Channelview, Texas


6 replies so far

View OldWrangler's profile

OldWrangler

731 posts in 1054 days


#1 posted 07-17-2014 03:22 AM

I also use the table saw but only 1 1/8” thick blade. I set the fence twice and make 2 passes each 1/8” wide and the 1/4” plywood fits fine since, like everything else in wood, the 1/4” plywood is some 1/32” undersize.

-- I am going to go stand outside so if anyone asks about me, tell them I'M OUTSTANDING!

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MT_Stringer

2850 posts in 2691 days


#2 posted 07-17-2014 03:29 AM



I also use the table saw but only 1 1/8” thick blade. I set the fence twice and make 2 passes each 1/8” wide and the 1/4” plywood fits fine since, like everything else in wood, the 1/4” plywood is some 1/32” undersize.

- OldWrangler

Yes sir, I have done that too. Never again. Set the fence once and git-after-it! :-)

-- Handcrafted by Mike Henderson - Channelview, Texas

View johnhutchinson's profile

johnhutchinson

1193 posts in 1089 days


#3 posted 07-17-2014 09:18 AM

Hey Mike,

You might have read about it here. http://woodgears.ca/shop-tricks/dado.html

Matthias goes into a fair amount of detail and talks about the pros and cons.

-- John - Central Ohio - "too much is never enough"

View Roger's profile

Roger

19855 posts in 2264 days


#4 posted 07-17-2014 01:12 PM

A different approach, and, hey, it works. Good one

-- Roger from KY. Work/Play/Travel Safe. Keep your dust collector fed. Kentuk55@yahoo.com

View Knothead62's profile

Knothead62

2581 posts in 2421 days


#5 posted 07-17-2014 01:46 PM

One blade- I mark the outer edges and cut those first. Measure to ensure that the dim’s are correct. Then I just pass the wood over the blade several times by adjusting the fence. Clean up with a wood chisel if needed.

View cabmaker's profile

cabmaker

1502 posts in 2269 days


#6 posted 07-17-2014 11:19 PM

Dado ?

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