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Verdrehsicherung f
amer.	rotation prevention
engin.	anti-rotation element (Ventilsteuerung)
tech.	grip; locating lip; locking element; shell locking lip; shell locking strip; antirotation device; antirotation protection; device f. protection against torsional stress; thread locking device; torsional stress protection
transp.	headless bolt; stud; threaded pin