Size : M8 x 11mm x 1mm/ 0.32" x 0.43" x 0.04" ( Inner Dia Outer Dia Thickness). Material: Copper. 20 x Copper Washers. Smooth surface can reduce friction between the fasteners, preventing isolates,loosening and dispersion pressure.
20pcs M8 x 11mm x 1mm Copper Flat Washer Sealing Gasket Ring for Screw Bolt Nut
20 pcs M8 x 11mm x 1mm Copper Flat Washer Sealing Gasket Ring for Screw Bolt Nut
20pcs M8 x 13mm x 1mm Copper Flat Washer Sealing Gasket Ring for Screw Bolt Nut
PRW ROCKER ARM BOLT GM LS7 M8 x 1.25 x 52mm UHL (63mm OAL) x 5/16" 12pt head