Holding disc for retaining fastening bolt

摘要

The holding disc has the ends (6) of the holding tongues (5) matching the thread pitch. The holding disc has engagement surfaces (3) for an installation and dismantling tool. It is provided with an outer hexagon in the form of a threaded nut. The holding disc has a locating surface (1) extending over the contour of the outer hexagon. It is hat-shaped in cross-section. It is pressed out of plate and has a ring-shaped locating section (1), out of which extends a clamp part (2). In the cover surface (4) of the clamp part, star-shaped holding tongues are arranged.