Connection system

摘要

The system (1) has a corrosion-resistant material made coupling element (2) including a head (6) with a non-round outer cross-section and a shank (5), where the shank is received in a friction-locked and/or firmly-bonded manner in a sealing region of a connection opening (4), and the head includes internal geometry for connecting the component element. The internal geometry is formed as an internal thread (10). The coupling element includes an axial passage opening (7). The head includes outer diameter greater than that of the shank.