Quote Originally Posted by 25609289 View Post
Has anyone else pondered whether a coated edge, such as in industrial metal cutting tools would take the smooth and durable and perhaps sharp of a razor's edge to a new as of now unobtainable level?
Yeah some guy called Gillette.
I believe the coating is a compensation for a less than perfect edge. You can get closer to perfect by hone & strop if you have the skills.