Round or square?

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I have experience with a bench, where I used square bench dogs (LN steel bench dogs). I sold that bench and I am in the process to ad bench dogs to another I got.

With square bench dogs, the slots must be made with 88 degress, so the dog head catch nicely the work.
With round dogs, the holes can be made straight and just add those 88 degrees slope at your dog head (see Veritas 3/4” Bornze bench dogs)
If you have a double row of holes, you can rotate them to catch round pieces like the top of a round table.

I am planing to make them by myself, easy, out of a 7/8” or 1” Bronze rod.

-- Francisco Luna, San Francisco Bay Area.

I think Fww.com has an article covering this subject.

-- Jim from Heirloom Woodshop Southern Oregon