Plug Welds (suggestions)
 

Plug welds.

18 gauge

Increase Amperage? Hands that tremor are a pita.

From top to bottom

~55A,17.2+4V
~56A,18.2+4V
~54A,16.8+2V

https://www.dropbox.com/s/46wthuvc01...3.MP.jpg?raw=1


https://www.dropbox.com/s/jtv7k9c69i...0335.jpg?raw=1

Yes, increase amperage.

forgot to mention 5/16" plugs. I've read 5/16 for structural and 3/8 for a standard plug.

I suppose I ought to be "sweeping" the hole from inside, then running along the outside a full 360 and back to the center.