Quote Originally Posted by fdcmiami View Post
there is also a difference between tube and pipe; two different animals. so now i am thinking this is a piece of tube that has an id on one that accepted a 14 mm tap but wait. what about the other end? it's only 3/8ths. hmmm how does that work. oh, maybe the holes are not on the end but on the body of the tube/pipe itself. hmmm put a camera on next years christmas list.

signed.
grinch
I agree, I have no idea what you are talking about. But weld will not stick to copper or thick aluminum so you can use them for a backing.