Grit numbers range from 24 (extra-coarse) all the way up to over 1000—though most home improvement projects use sandpaper in ...
Hosted on MSN2mon
Sandpaper Grit Chart
Grit measures sandpaper’s coarseness ... from 24 to 1,000 (and sometimes higher), which corresponds to P12 to P2,500 in the FEPA system. The CAMI system predominates in North America.