LF: Finger Joint Jig for Router Table

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Forum topic by Zuki posted 09-17-2007 12:00 AM 11317 views 0 times favorited 12 replies Add to Favorites Watch
View Zuki's profile


1404 posts in 4251 days

09-17-2007 12:00 AM

I want to make a couple of small boxes with finger joints in the corners. I seen two guys on the WoodWorking Channel use a jig for their router to make finger joints and it looked rather neat.

Anyone have plans for one or know where I can find plans?

-- BLOG -

12 replies so far

View Douglas Bordner's profile

Douglas Bordner

4029 posts in 4238 days

#1 posted 09-17-2007 02:02 AM

I did a search on Lumberjocks domain, several jigs posted by VTWoody, Fred, others. Essentially it’s a box joint with thin fingers. The table saw will work better for thin fingers, but 1/4˝ aren’t hard on the router table. I’m spoiled, and do all my joints with an Incra jig.

-- "Bordnerizing" perfectly good lumber for over a decade.

View Thos. Angle's profile

Thos. Angle

4444 posts in 4136 days

#2 posted 09-17-2007 05:58 AM

My Porter-Cable dovetail jig has a finger joint plate with it. I haven’t used it but….........

-- Thos. Angle, Jordan Valley, Oregon

View mot's profile


4918 posts in 4210 days

#3 posted 09-17-2007 06:13 AM

Box joint jig plans number in the dozens. It’s a really easy jig to make…I googled it and came up with

This is for the tablesaw, but the router concept is exactly the same.

I use a right angle sled that rides along my router table fence. If you have a channel for a mitre gauge in your table, the above link will work with tablesaw, or router table with just a few nit picky fit things that will have to be tailor made to your setup.

I just read Douglas’ reply and that hits it on the head too.


-- You can discover more about a person in an hour of play than in a year of conversation. (Plato)

View Zuki's profile


1404 posts in 4251 days

#4 posted 09-17-2007 01:44 PM

I will take a look.


-- BLOG -

View Bob #2's profile

Bob #2

3810 posts in 4196 days

#5 posted 09-17-2007 04:55 PM

here's one

Here’s one for a router table:

There are quite a few if you want to google .

-- A mind, like a home, is furnished by its owner

View Duckarrowtypes's profile


68 posts in 4078 days

#6 posted 09-17-2007 07:06 PM

If you have a routing table then I suggest looking at these.

I ordered the set of three because they’re very precise and ridiculously easy to set up.

View Bill's profile


2579 posts in 4335 days

#7 posted 09-17-2007 07:13 PM

I have those same jigs. The one problem I have found is getting consistent cuts for the joints. I do not know if it is a dull bit or too deep of a cut or what, but when sliding the piece over the router bit, it will tend to grab a little. This causes either the depth to vary a small amount, or the width. It is a small amount, but noticeable when I put the two sides together. I was using oak, and had a block behind to push them through. Perhaps it is just more practice needed, but I would like to get better results.

-- Bill, Turlock California,

View niki's profile


426 posts in 4254 days

#8 posted 09-17-2007 07:40 PM

I’m sure that you are not going to build one like this but…you can have a look…


View Duckarrowtypes's profile


68 posts in 4078 days

#9 posted 09-17-2007 08:43 PM

Hey Niki that’s a pretty cool jig you’ve got there. Bill: I have the same problem with the OP jigs but I too am very new to them. You’ve GOT to use a push block I’ve discovered and it really helps if you’re NOT an idiot (like me) and get a perfectly square push block.

View Zuki's profile


1404 posts in 4251 days

#10 posted 09-19-2007 12:40 AM

MOT . . . I have yet to use my dato blade. Might be the time to give my router a rest as we had a little disagreement earlier today.

Bob #2 . . . that one from Oak Park is the one that I seen in action on the WW Channel.

Niki . . . like most, Im always amazed with the jigs you develop.

-- BLOG -

View brad's profile


136 posts in 4078 days

#11 posted 10-14-2007 02:50 PM

I use Bob’s suggested method. So simple and very repeatable. If you follow the link you can see that the jig can be purchased or if you study the theory of making the join the jig can easily be shop made. They can have all their dado blades and fancy jigs…this one works everytime.

Good luck.

-- Brad,--"The way to eat an eliphant is one bite at a time"

View Bob #2's profile

Bob #2

3810 posts in 4196 days

#12 posted 10-14-2007 05:42 PM

I can now respectfully submit this project to add to the choices for jigs.

I switched to this set up so that I would not have to “key up” several whole boards to have a set of 1/4,5/16”,3/8” 1/2” and 5/8” jigs hanging on the wall.
I can also do a style of dovetails with this as well.


-- A mind, like a home, is furnished by its owner

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