Entry for March 2019's Guitar Of The Month is now open - ENTER HERE!
I do the same with virtually every screw possible on my guitars though smaller ones can be difficult to source. What i have done on my latest project was buy small brass screws with corresponding nuts the countersink the brass nut into the pickup cavity with super glue(recess is possibly more technically correct). Ultimately stops wood stripping out. And despite electric guitar mythology, anything to reduce guitar body vibration is good. Plus it just looks cool