Thread: Naniwa 12k warped?

Originally Posted by Hacker7

How badly is it warped? If its a little you can lap it a bit. Lap it on wet and dry paper, the Norton stone is junk. Your first post said its higher in the middle. Like Utopian said you can just use it like that it will wear in. It would bother me so I would lap it. Don't soak these stones they will warp. Good luck.

Sorry meant lower in the middle. But not from normal use. When placed on a flat surface the nods of the stone would be a little off the flat surface. I did lap it yesterday because I needed to use it. But will try out the suggestions in Utopians post