Rather than swaging, why not use a high strength epoxy like Devcon "Epoxy Steel"- - - -sort of a better-quality "JB Weld" product. If it was mine, I'd silver solder a steel plug in place.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!