The Screw 6x12 is the cheapest item from this partsfiche.
Parts such as the Installation Parts: Bracket,cowling Lwr,l, Screw, Screw 6x12, Screw(6x25) are included in the Gsx600f Katana 1996 (t) Usa (e03) Installation Parts parts fiche.
On this parts fiche the Screw 6x12 is the most specified component.