40 Pcs Copper Sealing Washers Flat Washers Electrical Connections Accessories

Description High quality copper meterial with high conductivity corrosion resistant. Good performance of have superior rust resistance and the excellent of oxidation resistance for long time use. Easy to install the washer s surface are smooth can reduces friction between the screw and nut prevents leakage isolates prevents loosening or dispersion pressure. Features - Color: Rose gold. - Material: Copper. - Size: 2.00 x 2.00 x 0.15cm/ 0.79 x 0.79 x 0.06 inch. - All the flat washers are made of copper which with high conductivity corrosion resistant. - They have a tighter seal and high heat resistance than steel and rubber washers. - These most commonly used copper washers have superior rust resistance and the excellent of oxidation resistance. - Widely applied in the flange and the connection of the chemical plant electricity generating station nuclear power station and electronic. - The copper washer also can use for precision instruments electrical appliances bearings air pumps water pumps water valves air cylinder sealing the high pressure braking systems ect.