Another Box/finger joint jig

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Project by geekwoodworker posted 84 days ago 1568 views 18 times favorited 9 comments Add to Favorites Watch

Built this jig last year so I could make all my tool stands with box joints on the large stile and rail sides. In the last pic is a close up of my tool chest and the box joint I made for it.

With this jig I can clamp it to the piece I want to route the joints on. It is easier this way then trying to do it on the table saw.

The T-slot is made from maple and then a dado is routed and then glued the T-slot into it. These fingers are all the same size but you can use various sizes if desired. Bolts are 5/16” and are left overs from a TV wall mount. I use a flush trim bit in the router to make the cuts.

-- Sean G, Barrie, Ontario

9 comments so far

View SteveGaskins's profile


255 posts in 1219 days

#1 posted 84 days ago

Great jig. Very useful tool. Thanks for posting.

-- Steve, South Carolina,

View waho6o9's profile


4836 posts in 1209 days

#2 posted 84 days ago

Do both pieces mate on opposite sides then you route

and you’re done?

Seems efficient and well planned. Very good.

View Jim Jakosh's profile

Jim Jakosh

11316 posts in 1738 days

#3 posted 83 days ago

Very nifty!! I like that jig. Home made jigs are the best and you appreciate them more because you made them your self!! Cheers, Jim

-- Jim Jakosh.....Practical Wood Products...........Learn something new every day!! Variety is the Spice of Life!!

View geekwoodworker's profile


160 posts in 93 days

#4 posted 83 days ago

waho6o9: Yes. when making a box you will put one piece in tight to the stop block and then route. The joining piece is put on other side tight to stop block and route. The fingers on the jig can all be different sizes as long as they are tight together. This would give you different sized fingers on your box that will fit tight and give a different look other than the standard all fingers the same size.
Got the plans from shopnotes magazine but not sure what issue.

thanks for the comments and questions.

-- Sean G, Barrie, Ontario

View a1Jim's profile


112015 posts in 2210 days

#5 posted 83 days ago

Very nice work Sean

-- Custom furniture

View Blackie_'s profile


3376 posts in 1145 days

#6 posted 83 days ago

Ah finely a fellow Router Table Box Joint jig user, I thought for sure when I saw this post it was going to be set for the table saw :)

I so much prefer the router table over the table saw, you don’t have to mess with swapping out the blade on the table saw plus router bits give cleaner cuts, the jig I use though calls for an up spiral, I just simply drop a Whiteside up-spiral in and go, and it’s a huge plus if you have two router tables as you can just leave one setup.

-- Randy - If I'm not on LJ's then I'm making Saw Dust. Please feel free to visit my store location at

View helluvawreck's profile


15623 posts in 1499 days

#7 posted 83 days ago

You did a fine job on that jig and it will be a great addition to your shop.

helluvawreck aka Charles

-- If a man does not keep pace with his companions, perhaps it is because he hears a different drummer. Let him step to the music which he hears, however measured or far away. Henry David Thoreau

View SCOTSMAN's profile


5352 posts in 2218 days

#8 posted 83 days ago

Also doing them on the tablesaw would not work in Europe as dado blades are deemed dangerous and therefore banned by European law,I know you could make them with a single blade, I don’t know what they would look like.I bought an incra dovetail jig and could not get it to do dovetails at all and I am no dummy I tried and tried with no success.I really went over it time and again however the width of the base of the tails was always way out leaving a gap . It did work well with Finger joints though and When I make my new router table I would like to try this method of yours Brother (too tired to think seriously about it tonight) LOL anyway I love box jojnts and actually prefer them to dovetails mostly anyway.I sold my incra jig I could not find anyone to say they worked fine and they had zero problems with it but none ever did.Alistair

-- excuse my typing as I have a form of parkinsons disease

View geekwoodworker's profile


160 posts in 93 days

#9 posted 83 days ago

Mathias Wandel did a test on box joints/finger joints and dovetails on which is actually stronger.

Check it out here.


-- Sean G, Barrie, Ontario

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