Use APKPure App
Get Threads Per Inch/mm Identifier old version APK for Android
Displays an actual size diagram of common thread pitches for identifying screws.
Displays an actual size diagram of both US SAE thread pitches and metric (mm) thread pitches. If you have a bolt or screw and want to identify it, use this app to identify it by matching up the threads on the screw with the diagram on screen.