Quote:
Originally Posted by First Bird
A trick I use MIGing holes: I grab a scrap of sheetmetal, a cut-off a few inches long. Then with aviation snips i cut a piece to fit the hole. Don't cut it all the way off, cut it ALMOST off. (sometimes I use wire cutters to do the last cut on 18ga - seems aviation snips like to cut the piece all the way off no matter how careful I am). I leave it hanging off the scrap handle. Then I bend the hanging piece so its easy to hold in the hole. Zap it a couple times. Then wiggle the scrap back and forth to break the handle off. This leaves the little piece tacked in the hole. Easy to finish weld from there.
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I do this too...also, I will use scrap welding wire for the same purpose. Sometimes I twist it up to get it thicker.
I definitely am not great at filling holes though. In fact, I kinda suck at it.