The battery cover screw is 5/16″ long with 4-40 threading for the entire length of the screw. The McMaster-Carr part can be found here: https://www.mcmaster.com/90273A107/
The battery cover screw is 5/16″ long with 4-40 threading for the entire length of the screw. The McMaster-Carr part can be found here: https://www.mcmaster.com/90273A107/