... 1. Standard: DIN, ANSI and non-standard2. Thread: coarse, fine or extra fine (e.g. M10-1.5, M10-1.25 ... , together with precise moulds and punch pins6. Nylon Ring: blue or white7. Total Height: normal or heavy8. Other names: hex lock nut, self ... -locking nut, nylon-insert lock nut, nylon lock nut or ...