- Apr 24, 2021
I bore mine with a round file, then I made a nozzle on a drill from sandpaper to smooth the surface a little. Works well, but you have to constantly check inserting and removing the 18650 to check if you removed too much metal, also the hole is not quite round
Very nice!! I mean it’s a flashlight so it doesn’t need to be perfect just needs to work. Fantastic method.