Locking screw for openings in motor vehicle engines and housing unit of a motor vehicle engine

摘要

The screw has a screw shaft (10) comprising a thread (12), and a screw head (16) connected with the screw shaft. A latching element i.e. latching nose (34), flexibly connected with the screw head, which cooperates with another latching element arranged at an opening. A movement slot is provided between a retaining element and the screw head, where the retaining element is connected with the screw head at groove and slot-ends. The retaining element circularly surrounds the screw head, where the screw is made of thermoplastic.