I have not tried it in sheetmetal but it might just work.
Fix stripped out hole in sheet metal.
The copper is soft enough for the threads of a screw to cut into and take hold.
All it requires is the correct measurement of the screw hole that you are dealing with and a good quality tap handle.
If the op has a minor ocd issue with mismatched screws this solution will not correct that aspect.
The original screw is a sheet metal screw while rivnuts are designed for machine screw threads.
The metal does thin out however carefully tightening of the screw upon re assembly.
Once you have got both of them the process becomes easy.
Lastly using an anchor may be an option either plastic or a soft metal like lead that will conform to the hole.
The stripped screw hole problem was routine for a job i was doing.
The first method on how to fix a stripped screw hole in metal is through using a tap and die set.
I cut a strip of bare copper wire about 3 4 inch long and bend the wire so it will stay in place in the hole.
Back up the offending hole with a block of steel because i couldn t get any other tool to fit.
Instead use a plastic wall plug if you can find a size that will work for you or get a stripped screw hole repair kit that specifically states it will work with metal.
How to fix a stripped screw hole in metal.
I use solid copper wire to take up the gap in stripped holes in the fiberglass.
To fix a stripped screw hole in a metal door we first recommend trying a larger screw.
Then pound all around the hole with the hammer working the metal towards the center of the hole.
Let s have a look.