Router Dado Jig

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Project by FaTToaD posted 10-21-2009 05:38 AM 14115 views 39 times favorited 8 comments Add to Favorites Watch

My first jig ever. I’m going to be building a massive closet storage system in our new house soon and I wanted to make clean, easy dados for many of the shelves. I got the idea from a publication I found on the web. The link is below. Mine isn’t as pretty since I our local home store doesn’t carry any “jig” worthy hardware, so I just used wing nuts. This was actually the first time I used my router, besides making random cuts in scrap wood.

The jig is made of 3/4” MDF with the exception of one piece that’s 1/2” MDF. I made the grooves to hold the hex bolts with 1/2” and 1/4” straight bits. I actually broke my 1/4” bit, so I went and bought a new one with a 1/2” shank, which worked much better.

The idea behind this jig is to be able to cut dados for any width stock without measuring. It works surprisingly well if you have it setup correctly.

As you can see in the last picture, you need to make sure the stock that is being cut is secure. I didn’t realize that the wood had shifted and it made a very unusual shaped dado. Thank goodness it was just some scrap wood I used to test the jig.

Link to the original article

-- David

8 comments so far

View a1Jim's profile


118308 posts in 4907 days

#1 posted 10-21-2009 06:39 AM

wow David this looks impressive Maybe you could do a blog and show us all the tricks this puppy will do.


View HalDougherty's profile


1820 posts in 4567 days

#2 posted 10-21-2009 07:33 AM

Great project. I’ve got to build one of those for some bookcases I need.

-- Hal, Tennessee

View Splinterman's profile


23074 posts in 4691 days

#3 posted 10-21-2009 10:58 AM

Hey David,
That is one sweet set-up…..need a blog on this one.

View Scott Bryan's profile

Scott Bryan

27249 posts in 5152 days

#4 posted 10-21-2009 12:51 PM

David, this is a nice jig. It sure comes in handy for those situations where a table saw is not practical for dado cutting.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View nmkidd's profile


758 posts in 4503 days

#5 posted 10-21-2009 04:10 PM

Super…a jig that’s simple and straight forward. Something that even I, as a novice could manage. Already placed it on my things to do list.

-- Doug, New Mexico.......the only stupid question is one that is never asked!........don't fix it, if it ain't broke!

View wayned's profile


30 posts in 4539 days

#6 posted 10-21-2009 04:55 PM

Super jig, David! And thanks for the link, I’ll be needing that when I build mine shortly. Probably most of us have created those “unusual shaped dados” from time to time ;->.

-- WayneD

View FenceWorkshop's profile


267 posts in 4454 days

#7 posted 12-18-2009 10:46 PM

View steliart's profile


2895 posts in 4018 days

#8 posted 02-10-2011 05:21 AM

A very nice approach to the router dado jig

-- Stelios L.A. Stavrinides: - I am not so rich to buy cheap tools, but... necessity is the mother of inventions !!!

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