That's what they do with airplane parts. The exact same connecting rod bolts and nuts that fit a Continental industrial engine cost six times as much when they're FAA certified for an aircraft engine! I encountered that when I reconditioned a set of Continental aircraft connecting rods.
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!