Fastening element for glass clamping elements has additional concentric internal thread with threaded length corresponding at least to standard length, and has centering shoulder on side of element facing screw

摘要

The fastening element is similar to the head of a socket head cap screw or multipoint head cap screw. The fastening element has an additional concentric internal thread (1). The threaded length (2) of the fastening element corresponds at least to the standard length. The fastening element on the side facing the screw has a centering shoulder (3) with an outside diameter (4) coinciding with the aforesaid internal thread.