Use a very light coat of high temperature grease, LIKE "disc brake" wheel bearing grease. a little goes a long way, but it MUST be there. Some good-quality point sets come with a small capsule of lube in the package with the points.
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!