new to mortise and tenon joints

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Forum topic by A Slice of Wood Workshop posted 06-17-2011 10:17 PM 1542 views 0 times favorited 1 reply Add to Favorites Watch
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A Slice of Wood Workshop

1073 posts in 3196 days

06-17-2011 10:17 PM

Topic tags/keywords: mortise tenon

I have a 2×2 coffee table leg that will have a 3/4” piece attached via mortise and tenon. Question is, how deep/big should the tenon be going into the leg? For instance should it be 1/2” thick by 1” long. Thanks for the help.

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Lee Barker

2170 posts in 2873 days

#1 posted 06-18-2011 03:03 AM

The general rule for tenon thickness, Tim, is 1/3 of the thickness of the board which will sprout the tenon.

I don’t know of a general rule for depth, but too deep can be lots of work for not much benefit. Using the same formula, 5/8 would probably be fine, 3/4 better, 7/8 overkill. That’s my $.02!



-- " his brain, which is as dry as the remainder biscuit after a voyage, he hath strange places cramm'd with observation, the which he vents in mangled forms." --Shakespeare, "As You Like It"

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