This repo is deprecated in favor of "MscModApi" with improved Part handling and other utility features. See https://github.com/MarvinBeym/MscModApi
racedepartment: https://www.racedepartment.com/downloads/api-for-mod-makers-screwablepartapi-make-your-mod-parts-screwable.31887/
ScrewablePartAPI adds an easy way of making parts in the game screwable. You will need to be already using the ModAPI by @tommojphillips https://github.com/tommojphillips/ModAPI or else it is not detectable when the part is removed/installed.
Please look under the Github Wiki to see how to implement it