Mortise and Tenon Jig

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Blog entry by Armand posted 1226 days ago 12370 reads 24 times favorited 18 comments Add to Favorites Watch

This is the newest addition in my shop. I realized it was necessesary to build this one for my upcoming projects that will require a lot of M/T joineries.

Please watch my video at youtube to see how it works. Hope you find my jig interesting. Thanks

-- My Master is Mankind's Greatest Carpenter.

18 comments so far

View John Ormsby's profile

John Ormsby

1279 posts in 2373 days

#1 posted 1226 days ago

Very well done Armand,

You might try using a 1/2” shank carbide spiral router bit. I use them in my Multi Router and they are much quicker, accurate, and safer to use.

Nice job on the construction and use of materials. It is a very useful jig and will save you a lot of time.

Complete fences and clamping is a must for accuracy and safety with these types of jigs.

-- Oldworld, Fair Oaks, Ca

View Armand's profile


213 posts in 1547 days

#2 posted 1226 days ago

thanks John i will follow your suggestion to use 1/2” and that will also means a bigger router is necessary. The one i use here is only a trimmer. Spiral up cut router bit is not available here in the Philippines I might try ebay.

-- My Master is Mankind's Greatest Carpenter.

View Jamie Speirs's profile

Jamie Speirs

4120 posts in 1493 days

#3 posted 1226 days ago

Very Clever design.

Nice & simple


-- Who is the happiest of men? He who values the merits of others, and in their pleasure takes joy, even as though 'twere his own. --Johann Wolfgang von Goethe

View a1Jim's profile


112027 posts in 2213 days

#4 posted 1226 days ago

Hey Armand
These type of Jigs are really a big help making Mortise and tenons. Here’s a jig I made a long time ago.

-- Custom furniture

View AZMac's profile


87 posts in 1329 days

#5 posted 1226 days ago

Very nice design Armand.

View bigike's profile


4031 posts in 1925 days

#6 posted 1226 days ago

very cool little jig.

-- Ike, Big Daddies Woodshop,

View Walt Bungard's profile

Walt Bungard

13 posts in 1995 days

#7 posted 1226 days ago

Well done Armand. Clever. Nice projects too. I especially like your boxes.

-- Walt, Atlanta....Michigan

View rance's profile


4130 posts in 1797 days

#8 posted 1226 days ago

Nice simple design, I like it. Although your climb cuts in the video had me gritting my teeth with as much material as you were taking out. You might consider sticking with conventional cuts when you are removing that much. :)

-- Backer boards, stop blocks, build oversized, and never buy a hand plane--

View mafe's profile


9492 posts in 1726 days

#9 posted 1226 days ago

Really nice, I love your inovative way.
Best thoughts,

-- Mad F, the fanatical rhykenologist and vintage architect. Democraticwoodworking.

View EMVarona's profile


437 posts in 1472 days

#10 posted 1225 days ago

Brilliant. Just curious, I noticed that the mounting of the router slides on a rail. How did you make it possible to withdraw or slide the router away from the work piece while maintaining the 90 degree angle?

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

View GaryD's profile


621 posts in 2006 days

#11 posted 1225 days ago

Armand, really cool idea. Like it alot.

-- Gary, Little River,SC I've Learned that the Lord didn't do it all in one day and neither can I

View Armand's profile


213 posts in 1547 days

#12 posted 1225 days ago

Ed, there are 3 axes on this jig. The vertical threaded rod controls the x-axis, the rail which the router sits on is the y-axis, and beneath that is another rail for the depth of the cut the, z-axis. Its a manual CNC router machine.

-- My Master is Mankind's Greatest Carpenter.

View Julian's profile


507 posts in 1327 days

#13 posted 1225 days ago

Cool mortising jig. I need to build one someday. It’s good to see projects from other countries.

-- Julian

View EMVarona's profile


437 posts in 1472 days

#14 posted 1224 days ago

Armand, for a while I thought it was a plunger type router and yet it doesn’t look like one. In any case that’s quite clever. It seems you have access to a machine shop. Some parts look like they have been specially fabricated.

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

View Armand's profile


213 posts in 1547 days

#15 posted 1224 days ago

ha ha…no Ed the whole jig is shopmade, all parts are locally available. The rail guide is a ball bearing type cabinet drawer guide while the threaded rod is available at “bolts and nuts” hardwares. If you feel the urge to build one I can bring my jig to your place in one weekend and we’ll both have fun in your shop. I live in Antipolo very near Marikina and I believe its only a few minutes drive to your place. I want to meet you and see some of your shopmade jigs too.

-- My Master is Mankind's Greatest Carpenter.

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