Rust is created from a chemical reaction between iron and oxygen. If left untreated, rust can ruin the object and it is an eyesore. As it corrodes even more and more metal is affected by rust, it will weaken the metal until it is no longer useful. Removing rust is important and you need to do it as soon as possible. WD-40 is a great rust remover as it breaks down the bond between the metal and the rust.
First, spray the rusted item with WD-40 Multi-Use Product. You will need to ensure that you use enough to soak the area then allow it to sit for 10 minutes. Then use a wire brush to remove the rust from the item. Then repeat the process.
Sandpaper is also an effective rust remover, so you can use this to remove any remaining rust. You don’t want to leave any rust on the item as it will contribute to the growth of more rust.
Reapply WD-40 Multi-Use Product to help remove the stubborn rust and continue with brushing and sanding.
Once you have achieved removing rust from the item, coat the surface with WD-40 to rustproof the item from further corrosion as WD-40 will act as a barrier.