Building a new workbench #4: Assembling the wedged mortise & tenons

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Blog entry by Loogie posted 02-09-2009 04:44 AM 5624 reads 2 times favorited 7 comments Add to Favorites Watch
« Part 3: Mortise & Tenon's are rought cut Part 4 of Building a new workbench series Part 5: Half-lapping the side rails »

I spent a few hours…quite a few hours refining the fit of the mortise and tenons. They were pretty close, but when your working with 8/4 stock and seriously hard wood it seems to take forever to make small adjustments. I have a Veritas medium shoulder plane, but a true rabbet plane would really have come in handy. So would a much better set of rasp’s.
After I got the tenons properly fit I took them over to the band saw and cut a kerf for the wedges. I left about 1/8” of wood outside of the kerf. After testing several pieces, that seemed to be about as thick as I could and have the wood bend into the open part of the mortise.
I glued everything up and to my great surprise it all came together perfectly square without any tweeking. NExt week I’ll work on the rails.




-- Mark

7 comments so far

View Craftsman on the lake's profile

Craftsman on the lake

2791 posts in 3437 days

#1 posted 02-09-2009 05:33 AM

Sweet… nice clean job. Looks too nice to use! lol.

Make sure you post some final picts.

-- The smell of wood, coffee in the cup, the wife let's me do my thing, the lake is peaceful.

View ChicoWoodnut's profile


904 posts in 3814 days

#2 posted 02-09-2009 06:04 AM

Nice Mark,

I want to see how you flattented the top :D

-- Scott - Chico California

View scarpenter002's profile


606 posts in 3904 days

#3 posted 02-09-2009 01:43 PM

Beautiful. Looks like a work of art so far.

-- Scott in Texas

View Scott Bryan's profile

Scott Bryan

27250 posts in 3821 days

#4 posted 02-09-2009 02:02 PM

Mark, this is looking good. I have one of these on my to-do list (as soon as I decide the style and can free up some time from my “assigned” projects) so I am enjoying following this.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View Loogie's profile


100 posts in 3779 days

#5 posted 02-10-2009 01:36 AM

Chico, I did the initial flattening with a #7 jointer plane. I only planed one side and used winding sticks to see if it was flat. Then I took each side and ran them thru my planer (part of the beauty of this design is that each half of the top is only 11 3/4” wide). That’s when I realized that one side has some twist in it. Next I’ll wait until the base is assembled and then I’ll slide the two halves up against each other, shim the side with twist and plane the whole thing flat, then I’ll run them through the planer again to make the other side parallel. The top is quite a bit thicker than required so I’ve got plenty of wood to work with to get everything flat.

-- Mark

View ChicoWoodnut's profile


904 posts in 3814 days

#6 posted 02-11-2009 03:46 AM

Thanks Mark,

You should include a picture of your biceps. That sounds like a lot of work LOL.

-- Scott - Chico California

View Beginningwoodworker's profile


13345 posts in 3672 days

#7 posted 10-03-2010 10:26 PM

Beautiful bench, Mark.

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