In this schematic the "Screw Cross 6x28" is used most often.
Parts such as the E-7 Right Crankcase Cover: O Ring, 57.8x2.6, Pin,knock 10x14, Screw Cross 6x20, Gasket,crank Case (mca) are included in the Cl450k5 U.s.a E-7 Right Crankcase Cover parts fiche.
The component with the lowest price in the E-7 RIGHT CRANKCASE COVER schematic is the Screw Cross 6x28.