Size: M12 Specifications: Inner diameter: 12mm / 0.47" Outer diameter: 17mm / 0.67" Thickness: 1.5mm / 0.05"
Material: Copper.
Features: Copper provides a tighter seal and higher heat resistance than steel and rubber gaskets.
Widely used in the connection of flanges and chemical plants, power stations, nuclear power plants and electronics, digital consumer products, hardware, precision instruments, electrical appliances, bearings, air pumps, water pumps, water valves, cylinders, high pressure seals, packaging included: 20 x copper Flat gasket seal