Faucet handle screws breaking off inside a stem or cartridge is a common issue. You do not have to get the screw out or replace the whole freaking shower valve when this happens. The stem is removable with a set of valve stem wrenches. Then just replace the stem with that broken screw in it.
SteveSanders90210 t1_iu6f5zr wrote
Reply to comment by foootrest in How can I remove a headless screw from a shower valve? by foootrest
Faucet handle screws breaking off inside a stem or cartridge is a common issue. You do not have to get the screw out or replace the whole freaking shower valve when this happens. The stem is removable with a set of valve stem wrenches. Then just replace the stem with that broken screw in it.