The Bolt,flange,6x16 is the lowest priced item on this Front Fender schematic.
Parts such as the Front Fender: Fender Comp.,fr., Bolt,flang,6x16, Grommet,wire, Bolt,flange,6x16 are included in the Cb750k 750 Four K 1979 (z) Usa Front Fender parts fiche.
The most expensive part in this assembly is the Fender Comp.,fr..