On Sat, 12 Feb 2005 12:26:19 +0800, OldNick
wrote:

I bought some recently, and wanted to make a wing bolt. I decided to
MIG the nuts onto some threaded rod. They simply burnt up and melted!
What the heck are they making them of?

Potmetal wingnuts. Good grief! Better bring a magnet next time you
buy bolts at that store, should you choose to ever return.