Production of studs according to the following unified tables: DIN 938 / UNI 5909-66 - Stud with short root UNI 5911 - Stud with medium root UNI 5912 - Stud with medium root DIN 835/ UNI 5914-66 - Stud with long root DIN 939 - Stud with medium root Materials They are produced up to resistance class 12.9 Special versions to drawing on request