Adjustable Box Joint Jig

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Project by tyka posted 04-15-2011 12:05 AM 26175 views 85 times favorited 11 comments Add to Favorites Watch

I enjoyed making box joints so much when I made the Fibonacci Box that I had to make a box jig. I looked at many models and decided on this one from Shop Notes. I like the micro adjustment feature, the backing plate, and the fact that the stock sits on a sled rather than on the table saw. There’s a disadvantage though, the sled takes 1/2” in height and my Forest dado set is just a six incher. The maximum depth I can get is 5/8”. But, the modification suggested by Joelupah makes it possible to use the jig on my router table. This will allow me to make deeper cuts if needed. I followed the plans with the exception of the micro adjustment hardware. I used 1/4” threaded rods and wing nuts instead of 3/16” brass rods with knurled brass nuts. The wood I used is red Oak.

I bought the plan from Plans Now for $4.00 You can make it easy on yourself by buying the plan and all the hardware from the Woodsmith Store for $15.00. It’s a good deal when you consider the price of plastics knobs, etc.. I’m in Canada and shipping cost from the US is often more than the price of the item.

Tks for looking.

-- Paul, Plantagenet, Ontario

11 comments so far

View AugieCoe's profile


44 posts in 3979 days

#1 posted 04-15-2011 01:29 AM

Great looking box/finger joint sled. I’ve made a couple before but they can only be used for the precise width I created them for. The worst part is that if I misjudged my measurements, I basically had to start from scratch. I love that this jig is adjustable for any size of dado combination I need. I think I will pick up the plans after seeing your’s in action. Thanks for posting this & nice work!

-- There is a lesson in every project. Play safe!

View Shawn K.'s profile

Shawn K.

56 posts in 3955 days

#2 posted 04-15-2011 04:53 AM

Great work. I’m about 90 percent done with one of my own. The hardware kit is a good deal, especially for the items that are a little more difficult to find.

-- -- Never entrust power to those who desire it.

View bubinga's profile


864 posts in 3956 days

#3 posted 04-15-2011 11:15 AM

I built the same jig from Shop Notes.,great jig, but I now use a woodsmith aluminum box joint jig witch is the same thing

-- E J ------- Always Keep a Firm Grip on Your Tool

View tdv's profile


1203 posts in 4359 days

#4 posted 04-15-2011 12:37 PM

Nicely made & a great piece of kit

-- God created wood that we may create. Trevor East Yorkshire UK

View jcees's profile


1079 posts in 5088 days

#5 posted 04-15-2011 03:52 PM

Nice execution. I’ll have to make one of these up myself. Again, nice job!

-- When one tugs at a single thing in nature, he finds it attached to the rest of the world. -- John Muir

View tt1106's profile


247 posts in 4357 days

#6 posted 04-15-2011 07:30 PM

I bought the kit and plan about a year ago. It was a good deal and easy to make. I’m not really happy with the gnurled brass nuts and the brass rod, so I may have to make some modificaitons. I do love the jig though.

-- -Todd

View MasterSergeant's profile


1441 posts in 3977 days

#7 posted 04-16-2011 05:18 PM

I just purchased this kit from the Woodsmith store. Now I am more excited then ever to get it built!

-- Kelly, woodworker under construction

View TopamaxSurvivor's profile


22849 posts in 4964 days

#8 posted 04-16-2011 06:51 PM

Nice jig!

-- Bob in WW ~ "some old things are lovely, warm still with life ... of the forgotten men who made them." - D.H. Lawrence

View Chuck Anstrom's profile

Chuck Anstrom

92 posts in 4313 days

#9 posted 05-11-2011 02:07 AM

Your jigs are well made. Very impressive.

-- Chuck Anstrom - Virginia

View EMVarona's profile


437 posts in 4124 days

#10 posted 05-15-2011 01:39 AM

Very nice! I think am going to make one too.

-- Ed "Real happiness is one that you share."

View woodworkqvwt's profile


430 posts in 793 days

#11 posted 10-04-2019 12:15 PM

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