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Project by kiefer posted 10-19-2015 11:52 PM 3053 views 6 times favorited 20 comments Add to Favorites Watch

I thought why build another sled to cut box joints when I have a good sled that I simply slide the box joint jig onto and not have another sled hanging around .
This jig is based on Jim Steinbrecher’s original design on which I think I made a few refinements starting by replacing the metal pin with an oak blade .The blade is attached to a block and the part of the blade that engages into the spacers is sized to a saw cut that I made into a scrap piece that way I got a exact size as most blades will cut a slightly larger then the size measured of the blade tooth .the second item I changed are the spacers ,I used HDF laminate flooring and cut about double the amount needed and then sorted them by size using a caliper and kept only the once that where same thickness to within one thousands of an inch. other then that it is pretty much like the original design but I can simply slip this jig on my sled’s T track and tighten two wing nuts and it is ready to go . I also made a material carrier which is straight forward as you can see from the pictures .

The first joint turned out OK but a little tight which is easily corrected .
I am also thinking of another design that I may also build but we will see how this one works out .

Questions and comments welcome as feedback is always useful >


-- Kiefer

20 comments so far

View Jim Jakosh's profile

Jim Jakosh

21961 posts in 3342 days

#1 posted 10-20-2015 12:45 AM

Way to go, Klaus. Nice addition to the previous jig!!

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

View hoss12992's profile


4106 posts in 2130 days

#2 posted 10-20-2015 12:52 AM

That is awesome and very well thought out. Great job buddy

-- The Old Rednek Workshop

View  woodshaver Tony C   's profile

woodshaver Tony C

6272 posts in 3590 days

#3 posted 10-20-2015 01:08 AM

Nice jig there Klaus! That ought to be a huge help in the shop!

-- St Augustine FL, Experience is the sum of our mistakes!

View Woodknack's profile


12464 posts in 2617 days

#4 posted 10-20-2015 02:28 AM

Good use for flooring scraps.

-- Rick M,

View drewpy's profile


821 posts in 1594 days

#5 posted 10-20-2015 03:47 AM

Well executed and should be a nice addition.

-- Drew -- "The greatest wealth is health".

View HuckD's profile


311 posts in 1951 days

#6 posted 10-20-2015 06:20 AM

Nice job, Klaus. I think I’ll try some flooring for the spacers on my jig.


-- Visit my Youtube Channel:

View Sheisserick's profile


123 posts in 2082 days

#7 posted 10-20-2015 06:40 AM

Nice jig. I recently built one of same design too.
I like your built-in clamps, and the vertical stop on the outside is clever, for fast displacement of the boxfingers.

Good job

-- I doubt, therefore I might be

View jaykaypur's profile


4017 posts in 2645 days

#8 posted 10-20-2015 09:02 AM

Very nice set-up. You can never have too many jigs/tools in the shop.

-- Use it up, Wear it out --------------- Make it do, Or do without!

View majuvla's profile


13594 posts in 3104 days

#9 posted 10-20-2015 09:14 AM

This is one serious jig! Can’t wait to see boxes.

-- Ivan, Croatia, Wooddicted

View GerardoArg1's profile


988 posts in 2231 days

#10 posted 10-20-2015 10:59 AM


-- Disfruta tu trabajo (enjoy your work) (Bandera, Argentina)

View horky's profile


259 posts in 3167 days

#11 posted 10-20-2015 12:00 PM

Klaus, as always yet another fine job. Thanks for sharing. Looking forward to more boxes.

View horky's profile


259 posts in 3167 days

#12 posted 10-20-2015 12:01 PM

Klaus, as always yet another fine job. Thanks for sharing. Looking forward to more boxes.

View helluvawreck's profile


32086 posts in 3103 days

#13 posted 10-20-2015 02:49 PM

Klaus, this is nicely done. Congratulations.

helluvawreck aka Charles

-- helluvawreck aka Charles,

View DocSavage45's profile


8733 posts in 3079 days

#14 posted 10-20-2015 04:23 PM

Do you sleep at night? LOL! Keep on engineering Klaus!

-- Cau Haus Designs, Thomas J. Tieffenbacher

View madts's profile


1884 posts in 2577 days

#15 posted 10-20-2015 07:02 PM

I think that a lot of people are pretending to understand how this jig works.
This one flew right by me.


-- Thor and Odin are still the greatest of Gods.

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