Rabbet joint for box corners

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Forum topic by Jofa posted 10-07-2015 02:30 AM 987 views 0 times favorited 3 replies Add to Favorites Watch
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272 posts in 2912 days

10-07-2015 02:30 AM

Hey guys.

I’m interested in trying rabbet joints for some of the speaker cabs I build. I’d like to do it where I minimize the amount of end grain shown.

So, if I’m using 3/4” stock, would 1/4” be enough to still provide enough strength? Note, I would be rounding this over with a router as well.

-- Thank you Lord for the passion and ability to make things from your creation.

3 replies so far

View DocSavage45's profile


9048 posts in 3917 days

#1 posted 10-07-2015 04:30 AM

There are many ways of joining. You can always add an additional piece of glued in parting stop to add extra strength. I use to use the lap joint your talking about to build my speaker cabinets when I was building high fi’s and stereo’s works well and no one sees the interior?

-- Cau Haus Designs, Thomas J. Tieffenbacher

View Texcaster's profile


1293 posts in 2748 days

#2 posted 10-07-2015 04:39 AM

1/4 in will be fine. For paint grade MDF I’ve gone as thin as 3mm. If it is too thin you might have to tape to close the joint.

-- Mama calls me Texcaster but my real name is Mr. Earl.

View ksSlim's profile


1304 posts in 3964 days

#3 posted 10-07-2015 05:36 AM

Check out a “drawer lock” router bit.

-- Sawdust and shavings are therapeutic

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