In this schematic the "Bolt, Socket Head M6x25" is used most often.
Parts such as the 011 Alternator Cover: Liquid Gasket, Gasket 0.6 Mm, Sensor, Timing & Rpm, Bolt, Socket Head M6x20 are included in the M620s 2002 Eu (monster 620s) 9151-1411a 011 Alternator Cover parts fiche.
The M620s 2002 Eu (monster 620s) 9151-1411a 011 Alternator Cover consists of twenty-eight pieces with the Flywheel being the most expensive.