20-piece engine bolt set in top quality, made in Germany, suitable for all Hercules Prima with Sachs 505/2 AK S, 505/2 AK SF, 505/2 A NL, 505/2 B, 505/2 C, 505/2 CK, 505/2 D and 505/2 DK engines, also fitted to DKW, KTM, Rixe and others. Hexagon socket screws, grade 8.8, galvanized; slotted screws, grade 4.8, galvanized.
