The Bolt,hex.,6x8 is the lowest priced item on this Front Fork (1) schematic.
Parts such as the Front Fork (1): Bush,guide, Bolt Assy.,fr.for, Piece,oil Lock, Pipe,seat are included in the Cbr600f Hurricane 1991 (m) Germany / Kph Front Fork (1) parts fiche.
On this parts fiche the Bolt,flange,8x45 is the most specified component.