Captive fixture for bolt head - has counter bore with rib at one side to engage corner of hexagon bolt head

摘要

The fixture for a bolt head or nut has a bearer (1) with a space (3) accessible from the outside. In the space, a rib (4, 5) running against the direction of insertion and outwards is arranged. The dimensions of the rib and the space are such that by introduction of the part to be fixed (2), a strong connection is ensured. Two opposite ribs can run conically towards each other. A stop is provided for the part which has to be fixed and the ribs end in a further location space to the side of the stop.