Back up the offending hole with a block of steel because i couldn t get any other tool to fit.
Fix stripped out hole in sheet metal.
If this is not possible you can try an epoxy in the hole to help grab the screw.
I have not tried it in sheetmetal but it might just work.
How to fix a stripped screw hole in metal.
If you are trying to repair a stripped screw hole in a piece of metal then quite logically avoid using wood if possible.
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.
The stripped screw hole problem was routine for a job i was doing.
Let s have a look.
Once you have got both of them the process becomes easy.
I use solid copper wire to take up the gap in stripped holes in the fiberglass.
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.
The copper is soft enough for the threads of a screw to cut into and take hold.
Then pound all around the hole with the hammer working the metal towards the center of the hole.
All it requires is the correct measurement of the screw hole that you are dealing with and a good quality tap handle.
On the flip side one could drill out the other holes and place rivnuts in those locations providing matches if desired.
The metal does thin out however carefully tightening of the screw upon re assembly.
If the op has a minor ocd issue with mismatched screws this solution will not correct that aspect.
Lastly using an anchor may be an option either plastic or a soft metal like lead that will conform to the hole.