Locking of screws, bolts or nuts in which the locking takes place after screwing down {by plastic deformation of a part of one of the threaded elements into a notch or cavity of the other threaded element }
Locking of screws, bolts or nuts in which the locking takes place after screwing down {by plastic deformation of a part of one of the threaded elements into a notch or cavity of the other threaded element }