To provide a simple and reliable arrangement for axial securing of a grooved bolt.

The arrangement for axial securing of the bolt 2, 102, 202 or 302 has a groove 5, 105, 205 or 305 with a securing part 3, 103, 203 or 303 engaging the groove 5, 105, 205 or 305 in a locking position in at least opposite regions of the groove and held there in the locking position. The arrangement further has a separate element 4, 104, 204 or 304 through which the bolt passes in the axial direction, being held by the securing part 3, 103, 203 or 303 in the locking position at the level of the groove 5, 105, 205 or 305 and at least partly embracing the securing part 3, 103, 203 or 303 in the locking position.