Grit numbers range from 24 (extra-coarse) all the way up to over 1000—though most home improvement projects use sandpaper in a much smaller range, from roughly 60- to 360-grit. It's a common ...

We created this quick-reference sandpaper grit guide to walk you through the different grades and their related applications. Grit numbers range from 24 (extra-coarse) all the way up to over 1000 ...

Then, it’s off to sanding with 200 and 600 grit wet sandpaper. Slowly, the soldermask is removed and the top copper layer appears. After that, it’s just a matter of sanding and scanning ...