Contact arrangement for a particular screwed Starter motor vehicle

A threaded contact, in particular motor vehicle starter, comprising: - a contact pin (12) connected to a first power supply line, - a fixing nut (20) to be fixed to the contact pin (12 ), - a contact pad (17) attached to the contact pin (12) with the nut (20) and cooperating with a second power supply line. A cross-sectional reduction (13) of the contact stud (12), can melt in the event of an electrical overload.