02-04-2013, 01:29 PM
MSC has an 80 grit wheel, but now that you mention it - I don't recall seeing anything finer.
http://www1.mscdirect.com/CGI/NNSRIT2?PM...M=88791025
http://www1.mscdirect.com/CGI/NNSRIT2?PM...M=88791025
Willie