The Screw-cntsnk Hd,6x16 is the cheapest item from this partsfiche.
Parts such as the Crankcase: Seal-oil, Gasket,drain Plug Bol (nas), Set-crankcase, Bearing-ball,#6004 are included in the Kvf700-a2 Prairie700 2005 Usa / 4x4 Crankcase parts fiche.
In this schematic the "Bolt-flanged-small" is used most often.