Nut M20x2,5 mm, 8.8, steel,
black, AF 30mm, h 18,0mm
These small components are part of the compulsory replacement programme. Those who skimp on these small components often live to regret it later on. Nothing is more annoying than being forced to an abrupt halt when you're busy with the screwdriver by a defective or missing component!
OEM Numbers (for the purpose of comparison)
ISO 4032 (DIN / ISO Norm)