Size: M18 Specifications: Inner diameter: 18mm / 0.7" Outer diameter: 22mm / 0.87" Thickness: 1.5mm / 0.06"
Material: Copper
Feature: Copper provides a tighter seal than steel and rubber, and is more Steel and rubber high-impact flanges and high-pressure seals for chemical plants, power stations, nuclear power plants and electronic products, digital consumer products, hardware, precision instruments, electrical appliances, bearings, air pumps, water pumps, water valves, cylinders, including brakes
Package contents: 30 x copper flat gasket sealing ring