Ed wrote:


Circular saw with a thin wheel grinder/cutter.



You mean like a small cutting disk on a Dremel Tool?

Ed

That would be ok as long as the combined width of the slots will allow the
larger tubing to be clamped to the smaller tubing. I have always just used
a hacksaw, and made slots 90° apart, making the slot length about twice the
diameter of the tubing.
73.
Bryan WA7PRC