Hexagon head screw M 4.00 x 20.00mm galvanized, new
It is recommended to recut the thread before using this screw.
Dimensions: M 4.00 x 20.00mm.
4 pieces are required.
Matching tooth lock washer no. 60835.
NOTE:
Original screw M 4 x 0.75 (fine thread).
Nomenclature no. Z 11081 valid from March 1967 and from engine no. 3.800.000.