ISO 10511 self-locking nuts nylon insert standard series ISO10511 self-locking nuts M16H=max 12,5 Class 8 GEO321A 18.000 ISO10511 self-locking nuts M16H=max 12,5 Class 10 GEO321A 18.000 ISO10511 self-locking nuts M16x1,5 H=max 12,5 Class 8 GEO321A 18.000 ISO10511 self-locking nuts M16x1,5 H=max 12,5 Class 10 GEO321A 18.000