A hinge for a hinged opening of a vehicle includes a first hinge part and a second hinge part which are connected to one another via an axis of rotation so as to be movable relative to one another. The first hinge part has a slot and the second hinge part has a fitting hole. A screw is received through the slot of the first hinge part and fitting hole of the second hinge part. A shaped nut clamps the first hinge part and the second hinge part against the screw. The shaped nut forms a step that includes a first part received in the slot and a second part protruding from the first hinge part and resting on an edge of the slot.