Over time, as iron, steel, and other ferrous metals are exposed to oxygen and moisture they can undergo oxidation, a chemical reaction that eats away at the metal and rust your tools. Left long enough ...

They’ve sat untouched for decades, but not anymore. Watch as rust gives way to revival in this satisfying restoration.

You don't have to toss out bolts just because they've developed a layer of rust. In many cases, that old, corroded hardware can be brought back to life with a little patience and the right approach.