Copper Washer Sealing Ring 8mm Inner Diameter, 18mm Outer Diameter, 1.5mm Thick Metric Seal Washer, Heat Resistant Up To 350C, Handles 16MPa, Heavy Duty Copper Washer Set Of 20 For Plumbing And Automotive

Copper Washer Seal Ring 8mm ID 18mm OD 1.5mm Thick Set of 20
✔️ Inner 8mm, outer 18mm, 1.5mm thick; heat to 350C, 16MPa

Copper washers seal joints in high-pressure systems where metal-to-metal contact is needed. These compact sealing rings are ideal for flanges in plumbing and automotive assemblies, delivering solid performance under heat and pressure.

✅ Inner diameter: 8mm / 0.32"
✅ Outer diameter: 18mm / 0.7"
✅ Thickness: 1.5mm / 0.06"
✅ Material: Copper
✅ Max operation temperature: 350C
✅ Max operation pressure: 16MPa
✅ Melting point: 1083C
✅ Package: 20 x copper flat gasket sealing ring
✅ Color: Copper

💡 What is a copper washer used for in high-pressure seal applications?

Copper washers are commonly used to seal metal joints in plumbing, automotive, and industrial equipment. - They seal flanges and connections with metal-to-metal contact - They withstand high heat (up to 350C) and high pressures (up to 16MPa) - They resist deformation and provide durable sealing over cycles✝️