Spherical washers must be used with tapered washers, with automatic positioning role, so that the nut support surface and the screw to maintain a vertical state, to avoid the screw bending, mostly used in the workpiece.
Spherical washers must be used with tapered washers, with automatic positioning role, so that the nut support surface and the screw to maintain a vertical state, to avoid the screw bending, mostly used in the workpiece.
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