A sample from the products for the Front Fender/step Floor include: Washer,plain,5mm, Nut,flange,5mm, Fender Fr. Inner, Bolt-washer,6x25.
The most reasonably priced component used on the Sfx50s 1999 (x) Belgium Front Fender/step Floor is the Screw,washer 5x14.
In this schematic the "Screw,4x12" is used most often.