Bolt e.g. cylinder head bolt, for self-ignited internal combustion engine, has sealing unit sealing circulating profile positioned on shaft against recess and arranged on shaft above thread, where sealing unit is drawn into sealing ring

摘要

The bolt has a shaft (1), a head (3) and an accommodating thread adapted to a thread (2) and inserted into a recess that is formed in a cylinder head (6), where the accommodating thread is arranged below a crankcase upper edge. A sealing unit is provided for sealing a circulating profile positioned on the shaft against the recess and arranged on the shaft above the thread, where the sealing unit is drawn into a sealing ring (8) that is designed as O-ring.