Some items from this specific schematic: Bolt Flange 6x30, Rear Carrier(sfx), Collar Spl.6x15.
The Bolt Flange 6x30 is the most widely applied product in the SFX50MM 1998 (W) NETHERLANDS REAR CARRIER(SFX) ( two times ).
The most reasonably priced component used on the Sfx50mm 1998 (w) Netherlands Rear Carrier(sfx) is the Bolt Flange 6x30.