Fitting of nuts and special parts with a turnable or non-turnable washer in all thinkable variations. Our customers value the advantages of this technique since more than 30 years. In this area we also implement the all-metal or non-metal locking feature into the nutbody. All the machines have been designed and built by Schuhl & Co. GmbH. To assure continous qualtity all machines are equipped with a testing station for “thread existence”.