Castle nut, M20 x 1,5 x 13 mm, across flats 30
The fine-thread castle nuts secure the wheel bearing arrangement on the stub axle of trailers. A split pin passed through a castellation and the cross hole in the stub axle prevents the nut from coming loose.
The versions differ in thread diameter, overall height and across-flats size; determine the correct size on the removed nut or on the stub axle. Set the bearing play as specified by the axle manufacturer and always use a new split pin.
- M20
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