Fixed fc207 bearing seat. Do not use flat pad. Can you use straight nut lock?
3. Increase the degree of force balance between the bolt cap and the connecting piece.So, if not helpless, or recommend a flat pad.
2, the flat pad is equivalent to increase the sliding body between the bolt cap and the connecting piece, so that when tightening the bolt or nut, the utility model is more labor-saving.
When the bolt nut is connected, the purpose of installing the flat pad is three: 1, do not destroy the surface of the connecting piece.
