100 Pieces M6X12X1.0Mm Copper Washers, Copper Metric Sealing Washers, Inner Diam
Size: M6x12x1.0mm. 【Material】 Made of high quality copper material, which have a tighter seal and high heat resistance than steel and rubber washers. High conductivity, corrosion resistant, copper washers, great for sump plugs, water, fuel and hydraulic fittings.