Apply eastwood fast etch to the area with the rust pits.
Smoothing rust pitting in sheet metal.
Attach the 80 grit disc to the angle grinder according to the instructions that come with the tool.
Fast etch eats into the rust dissolving it and leaving clean metal behind.
I sandblasted the frame down to a dull silver gray finish before priming.
Cover the area with plastic wrap to prevent the fast etch from evaporating before it can work.
Promoted by things you ll need power drill with wire brush attachment sand paper clean cloths naval jelly rust remover paint brush power brush the rusted areas with the wire brush on the power drill to remove the loose rust and flakes from the sheet metal.
You can use a power.
Scrub the metal with a wire brush to remove rust particles from inside the pits and wipe off the particles with a.
In the same fashion start with 80 grit sandpaper before going to a smoother one.
The best tools pros use and diyers should too.
Wipe the sanding dust off the metal with a rag.
How to make pitted metal smooth.
Here s how for pitted metal whether sheet or frame steel.
Flap discs work well but can remove good metal.
Be careful not to push down too hard.
If there are tight spaces where rust ridges or paint remains use a sandpaper sheet manually to reach out into these areas.
Remove pitted rust by sanding it as smooth as possible and coating with a rust inhibitor and primer like a naval jelly type of substance.
Remove as much of the rust as possible without removing metal metal removal is more of a sheet metal strength concern than frame steel.
Grind down heavily rusted metal spots faster with a wire wheel and a drill or angle grinder.
If the area is heavily rusted and pitted and wire brushing by hand is ineffective use a drill with a wire wheel photo 2 and a primer that adheres to rusted surfaces such as krylon rust tough or rust oleum.
Your metal should feel and look smooth.
Grind lightly over the pitted area of the metal.
This solvent free material is specifically formulated to easily fill in areas of metal loss up to 6 mm deep quickly restoring large areas and avoiding hot work and plate welding.
Wound wire wheels or cups work well but don t heat the metal rust and melt the rust into the pits.
Part of the frame was in wet dirt and pitted a bit when it rusted.
Remove the worst of the.
I bought a frame for my 31 for ford roadster from a guy who had leaned it on its side against the back of his garage.
Belzona 1151 smoothing metal a 2 part epoxy based repair composite for rebuilding shallow pitting in metals damaged by erosion and corrosion.