Jigs and Things #1: Box Joint Jig

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Blog entry by Dorje posted 07-07-2007 04:13 AM 2426 reads 4 times favorited 4 comments Add to Favorites Watch
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At the request of oscorner, I’ve posted some pics of the jig that I use to cut box joints on the table saw.

The box joint jig that I use is a shop made jig from ¾” Birch ply. I recall getting the plans from a Mark Duginske book (“Mastering Woodworking Machines” – I think). I remember that he called a “Universal Table Saw Jig” that you adapt for making box joints. So, it basically improves upon the stock miter gauge and if you make up a bunch of fences you can use them for various box joint sizes.

It’s about 4” high (or wide) and 20-some-odd” long.

Here are some photos…starting with the basic backer that mounts to the gauge and has holes to accept the various fences:

The front of the fences receive a ¾” groove, 3/8” deep or so (I made these a while back, so I’m sort of winging it with the description) and then a ¼” groove all the way through cut on the router table:

Here’s the back of the fence:

This is the “slider,” cut to fit the groove to allow for adjustment of the fence:

Slider with ¼-20 machine screws, washers and wing nuts (WOW!):

Front view all mounted up (happens to be the 3/8” box joint fence):

Rear view all mounted up:

An assortment of fences for various sizes:

-- Dorje (pronounced "door-jay"), Seattle, WA

4 comments so far

View WayneC's profile


13754 posts in 4093 days

#1 posted 07-07-2007 04:27 AM

Even the craftsmanship of your jigs is great. Thanks for sharing.

-- We must guard our enthusiasm as we would our life - James Krenov

View Lee A. Jesberger's profile

Lee A. Jesberger

6855 posts in 3975 days

#2 posted 07-07-2007 05:02 AM


Good job in design, execution and photos / explaination.


-- by Lee A. Jesberger

View Bob Babcock's profile

Bob Babcock

1804 posts in 4082 days

#3 posted 07-07-2007 06:46 AM

I was thinking the same thing Wayne. Very clean, nice jig Dorje.

-- Bob, Carver Massachusetts, Sawdust Maker

View oscorner's profile


4563 posts in 4306 days

#4 posted 07-07-2007 08:05 AM

Thanks for posting this design, Dorje…there are so many out there and this one looks fairly simple in construction, but offers a nice adjustment and flexability.

-- Jesus is Lord!

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