In this schematic the "Nut,flange,7mm" is used most often.
The component with the lowest price in the EXHAUST MUFFLER schematic is the Nut,flange,8mm.
Parts such as the Exhaust Muffler: Bolt,flange,8x35, Nut,flange,7mm, Washer,plain 17mm, Bolt,flange,8x45 are included in the Cb600f Hornet 2008 (8) France / Type 2 25k Exhaust Muffler parts fiche.