5Pcs DIN7603 M6 M8 M10 M12 M14 M16 M18 M20 T3 O Ring Gasket Sealing Copper Washer Boat Crush Washer Flat Seal Ring Fitting-.-

Material：Copper High-concerned chemical：None Thickness(mm)：CS2mm isCustomized：Yes Model Number：Copper Washer DIY Supplies：Electrical Origin：Mainland China Certification：NONE Name：O ring seal copper washer Color：as picture shows Standard or Nonstandard：Standard Shape：Ring Gasket Package：5pcs Combined sealing washer Usage：Prevent Oil leakage bonder copper washer sealing ring material：Metal Copper Size types：15 (M6 M8 M10 M12 M14 M16 M18 M20) Thickness：2mm

Material: Copper High-concerned chemical: None Thickness(mm): CS2mm isCustomized: Yes Model Number: Copper Washer DIY Supplies: Electrical Origin: Mainland China Certification: NONE Name: O ring seal copper washer Color: as picture shows Standard or Nonstandard: Standard Shape: Ring Gasket Package: 5pcs Combined sealing washer Usage: Prevent Oil leakage bonder copper washer sealing ring material: Metal Copper Size types: 15 (M6 M8 M10 M12 M14 M16 M18 M20) Thickness: 2mm