Smooth surface can reduce friction between the fasteners, preventing isolates,loosening and dispersion pressure. 10 x Copper Flat Washers.
17mm Inner Dia Crush Washers Flat Sealing Gaskets Plate Ring Universal Item of 1
50pc 17mm Inner Dia Copper Crush Washers Flat Car Sealing Gaskets Plate Rings
17mm Inner Dia Copper Flat Washers Car Sealing Gaskets Plate Rings 30pcs
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