With two applications this Bolt is the most specified part.
Parts such as the Horn/handle Switch: Switch Assy,handle,l, Screw, Switch Assy,handle,r, Screw are included in the Gsf1200sa 1998 (w) (e17 E18 E22 E34) Horn/handle Switch parts fiche.
The Screw is the cheapest item from this partsfiche.