Quote Originally Posted by xChris View Post
Just for another data point, I used a DMT8F (600 grit) to lap my Shapton Glass Stones (16K & 30K).
For lapping, I use a the 325 side of a DMT Duosharp W8FCNB. That's the DMT with the holes. DMT DuoSharp Diamond Sharpeners The suction is reasonable and it's fairly fast.