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+1. Also the issue of whether the area would begin to flake off in use. I wouldn't want to take the chance. It is plating after all. Give 'em a buzz. They're nice people.

Diamond Machining...

It would bother me too. I agree that it probably won't bother the edges. Especially once you either break it in with a plane blade or whatever .... or do some lapping. As Stefan said Dia Sharp is...