Nut hexagonal steel for Hercules, Miele, DKW, KTM, Rixe, Sachs 50/2, 50/A, 50/3 B KF S, LF MAKF SF, X, MLFB, 50/4 LK H, ML FB, MLKA Göricke, Gritzner, Miele Prima M, 504, 505