The Screw, Tapping(4mv) is the cheapest item from this partsfiche.
The Headlight assembly is constructed from several parts from which the Headlight Unit Assy is the most expensive.
Parts such as the Headlight: Holder, Socket, Bulb (12v 60/55w), Screw, Tapping(4mv), Bulb are included in the Fz6-sa 2006 4p51 Sweden 1e4p5-300e1 Headlight parts fiche.