Slick trick for cutting round tennons

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Forum topic by higtron posted 06-09-2018 03:51 PM 573 views 0 times favorited 3 replies Add to Favorites Watch
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253 posts in 3279 days

06-09-2018 03:51 PM

I’ve been reorganizing my shop needed to cut some round tennons (store bought dowels didn’t fit tight in standard holes) so I decided to turn then on my lathe using the old open end wrench for a gauge trick, time consuming required two hands pain in the butt I needed a more efficient way as I had a lot to do. Here is the trick I went to my junk drawer found an old wrench cleaned it up a bit, ground one leg of the open end wrench to a sharp edge more of a scraping angle than a cutting angle I cut the tennon on my lathe about a 1/8” short of the tennon thickness than used the wrench as a turning scraper and was able to make perfect tennons rapidly able to use both hands on the wrench I was done in no time I’m going to find some more old wrenches and, make a set of these for standard hole sizes. I’m sure others have done similar trick but, it was an aha moment to me.

-- A friend will help you move, a good friend will help you move a body

3 replies so far

View LesB's profile


2301 posts in 4045 days

#1 posted 06-09-2018 04:29 PM

That would work great but there are also cutting tools made for just that purpose and one tool is adjustable.

-- Les B, Oregon

View AlaskaGuy's profile


5516 posts in 2911 days

#2 posted 06-09-2018 06:09 PM

For the purpose of your post is the word “round tenon” and dowel interchangeable? To me they could be two different thing. Just trying to clarify if you are making dowels or tenon or both maybe.

-- Alaskan's for Global warming!

View higtron's profile


253 posts in 3279 days

#3 posted 06-09-2018 06:29 PM

Tenon, I was going to drill into two pieces and mate them together with HD dowels the dowels I got were to sloppy in the mortise for my taste so I chucked the piece onto my lathe and cut a round tenon on the end of it (perfect fit, no slop) it would have been easier with the dowels but, as I said that option was unacceptable. You could make dowels this way also, I think I would figure out a different jig to make those, I seen several ways, home made router jigs, I think it was on this site there was a guy that made a jig that cut the dowels on his band saw used a drill to advance his dowel stock through the jig.

-- A friend will help you move, a good friend will help you move a body

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