What is the installation sequence of nut washers?

Install in the order shown in the figure, first install the screw washer, and then install the nut.

The function of the washer is to protect the nut from deformation caused by extrusion, so it is necessary to stick the washer on the nut before inserting the object.

Spiral ore washer

Refers to the padded parts between connecting parts and nuts. Generally, it is a flat metal ring, which is used to protect the surface of the connected part from the wear of the nut and disperse the pressure of the nut on the connected part.