Carbide rotary files are used in industrial sectors such as machinery, automobiles, ships, chemicals, and craftsmanship. Carbide rotary file, model H round head torch type F round head arch B waist drum D round spherical C cylindrical ball head A cylindrical G pointed arch J60 degree conical L conical round head M38 degree conical N inverted Conical T-arc disc shape 2. Carbide rotary file has a wide range of applications.