Grinding Rust Off Metal

So you ll first want to put on your dust mask and then remove any large chunks or loose bits of rust corrosion with the steel wire hand brush or bench grinder wire wheel if possible.

Grinding rust off metal.

If you want to remove rust from metal marred not only by corrosion but also a great deal of flaking paint there s really no substitute for good old fashioned elbow grease. The best option is to attach a wire wheel brush to the grinder and use this to grind off the layer of rust from the metal. With or without a machine sanding removes rust from most surfaces and it s the best option if it s important to leave delicate surfaces smooth. Once the rust is gone switch to a finer grit to smooth out the swirls and grooves caused by the coarse grit.

After it soaks put on a pair of rubber gloves and scrub the metal with steel wool or a stiff bristled brush. Bear in mind that this. These work well but they re highly toxic and give off lots of fumes. Whichever tool you choose always start with the coarsest abrasive to for how to remove rust from metal and pockmarks.

The chemical removal method. Switch to a 120 grit self adhesive sandpaper disc and go over the freshly rust removed area and smooth out the area and any remaining deeper scratches from the 40 or 80 grid discs. Some are acid based using either muriatic or hydrochloric acid. Grind the rusted area right down to the shiny metal and work outwards with less pressure into the painted area until you have feather edged the shiny area slightly into the painted parts.

If grinding and sanding isn t for you there are several chemical rust removers that work well. Sanding the surface of. A grinding pad also works for thicker layers. To remove rust from small metal items first fill a container with undiluted white vinegar.

For the smoothest paint job finish sanding with 400 grit wet dry paper. Use a 4 inch angle grinder for large jobs and a rotary tool with a grinding accessory for small ones.