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.

When sanding metal, the grit particles can actually become sharper, so you won’t have to change sandpaper frequently. Best For: Grinding away metal burrs and sanding rough wood.

Generally speaking, 30-grit and 60-grit papers are used for rough sanding, 100-grit to 150-grit sandpaper is for medium sanding, and 220-grit sandpaper is used for finish sanding.

Continue in this manner until you are two grits away from your final finish (100-grit for painted surfaces and 150 for clear finishes). For the last two sandpaper grits, sand with the grain of the ...

If you're tackling hardwood, however, 100-grit or even 60-grit sandpaper might be required. Last but not least, when it comes to sanding or any home project, safety is the most important thing.

You must remember to use very fine-grit sandpaper, and the porcelain must remain wet at all times. As long as the porcelain is wet, the sandpaper will “float” on the surface and will not ...

There are two basic ways you can strip a body down to the bare steel while staying within a tight budget. Wrap your hands around an orbital sander and begin with 80- and 100-grit sandpaper.