If it s the hollow part of the door then your only option is to use a larger thread screw if the metal is solid all the way in then you can machine tap the hole with the next size larger and use a new screw.
Storm door screws stripped.
Fixing the problem used to involve the tricky job of patching the old holes or even splicing in new trim.
By epoxying the hole and not just covering over the.
Most closer brackets should use a 14 x 2 1 2 phillips pan head wood screw preferably stainless steel.
Fix it the right way not the wrong way.
Any hardware store should have them.
Number one get a safety chain for the top of the door so that it stops the door at 90 degrees and doesn t yank or bend your closer.
Since the sheet metal the door is made from has been stripped out it s likely you don t have enough material left for the screws to bite into.
Once that s installed remove it and drill and tap for 12 24 or 1 4 20 screws.
And any longer screw at the hardware store will work.
Some self tapping screws will drill out their own hole size so there is no need to use an actual drill bit.
The wrong way is a temporary fix not cool.