Parts such as the Front Fork: Bolt, Under Bracket Comp., Metal, Slide 1, Seal, Dust are included in the Dt125re 2005 1d03 Denmark 1d1d0-300ea Front Fork parts fiche.
On this parts fiche the Nut is the most specified component.
The lowest price component in this Front Fork parts-list fiche is the Screw, Panhead.