Patent ID: 8905694

Claim:
A self-locking thread ( 16 ; 116 ) to be screwed into an opposing thread, said self-locking thread comprising: flanks ( 18 ; 118 ), which are loaded when the thread ( 16 ; 116 ) is screwed, provided with at least one protuberance ( 20 ; 120 ) having a height selected such that the protuberance does not yet come into locking engagement with the flanks of the opposing thread when the self-locking thread is screwed in, and wherein the protuberances ( 20 ; 120 ) are constructed so as to taper in a screwing-in direction of the thread with a rounded tip ( 22 ), but only when the threads are tightened, the at least one protuberance extending only into turns of the thread and not beyond the thread's outer diameter, causing a temporary deformation in a workpiece.