In this schematic the "Rivet" is used most often.
Parts such as the Cowling(2/3)(upper): Nut,flanged,6mm, Washer,6.5x16x1, Mirror-assy,rh,ebony, Nut,5mm are included in the Zg1400ccf Concours 14 2012 Usa / Abs Cowling(2/3)(upper) parts fiche.
The Nut,flanged,6mm is the lowest priced item on this Cowling(2/3)(upper) schematic.