Verbindungselement mit Schraube und Mutter

摘要

The fastener with a screw bolt and nut (1) has a washer (2) durably bonded to the nut, with rotation in relation to the nut. The washer has an out-of-round inner contour to project (5a) into the nut opening (6) at the inner thread. An intermediate washer (14a), with its opening (15) aligned with the washer opening. It is keyed to it by a welded seam (19) and has a pot shape from a bent plate with its edges (12) turned upwards and inwards.