A connecting element with a screw-in element and a contact element. The screw-in element is pin-shaped and extends along a longitudinal axis, has a thread on its first free end, a drive profile and a reception on its second free end, wherein the contact element is arranged in the reception with its first free end and has a connecting pin on its second free end that extends beyond the screw-in element in the direction of the longitudinal axis, wherein the contact element has a spring that is arranged between the screw-in element and the connecting pin.