Copper Crush Washer Gasket Seal Flat Ring Oil Plug 

Standard

1/4 5/16 3/8 7/16 1/2 5/8 5Pk, 10Pk, 25Pk, or 100Pk

or

Metric

M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 5Pk or 10Pk

These corrosion-resistant copper washers compress for a tight fit and provide maximum electrical conductivity. 

• Use in electrical applications to assure maximum conductivity.
• Made of copper
• Use for Sealing Fittings and  Plugs