Cleaning rust, using penetrating oil, and adding patience help loosen bolts safely without stripping or damaging the hardware. Using the right tools, slow pressure, and controlled heat reduces ...

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 ...

There are all sorts of amateur chemical rust removing techniques, and some electrochemical ones, many of which eat away lots of good metal as well as rust – all the dip-it-in-acid types, for example.