Size: M12 Specification: Inner diameter: 12mm/0.47" Outer diameter: 18mm/0.7" Thickness: 1.5mm/0.05"
Material: Copper.
Features: Compared with steel and rubber gaskets, copper provides a tighter seal and higher heat resistance.
Widely used in chemical plants, power stations, nuclear power plants, electronics, digital consumer goods, hardware, precision instruments, electrical appliances, bearings, air pumps, water pumps, water valves, cylinders, sealed high-pressure brake systems.