56 Pcs M5 Copper Washer Sealing Ring (5mm ID 9mm OD 1mm Thickness) Metric Sealing Gasket Flat Crush Washer, for Automotive Plumbing Mechanical Oil Drain Plug

[Safe Durable]Crafted from premium copper and featuring a smooth, flat design, these sealing washers ensure a secure and tight seal without damaging surfaces, providing superior conductivity and corrosion resistance performance for long-term use in demanding industrial environments.[Wide Application]Suitable for a variety of sealing and spacing needs, these copper washers are widely used in industrial machinery, automotive repair, plumbing, and equipment maintenance. They are perfect for creating leak-proof seals in pipe fittings, engines, compressors, sump plugs, fuel fittings, and for use with screws and bolts in electrical and hydraulic systems.[Easy to Install Use]Simply place the washer onto the screw or bolt before fastening, and you are ready to create a strong seal or precise spacer, saving time during assembly, maintenance, and repair work.[Designed for Convenience]These metal washers increase the bearing surface under fasteners by distributing the load, preventing damage to the material, and securing the bolt or nut against loosening. The clean, stamped design ensures uniform thickness for even pressure distribution and a reliable seal.[Usage Tips]Select the appropriate washer size for your specific bolt and application to ensure maximum effectiveness. Avoid over-torquing to prevent deforming the washer and compromising the seal.

• [Material]: Copper; Inner Diameter: 5 mm / 0.2 inch; Outer Diameter: 9 mm / 0.35 inch; Thickness: 1 mm / 0.04 inch; Packing List: 56 Pcs x Metric Sealing Gasket
• [Wide Application]: Suitable for a variety of sealing and spacing needs, these copper washers are widely used in industrial machinery, automotive repair, plumbing, and equipment maintenance. They are perfect for creating leak-proof seals in pipe fittings, engines, compressors, sump plugs, fuel fittings, and for use with screws and bolts in electrical and hydraulic systems.
• [Easy to Install & Use]: Simply place the washer onto the screw or bolt before fastening, and you are ready to create a strong seal or precise spacer, saving time during assembly, maintenance, and repair work.
• [Designed for Convenience]: These copper sealing rings increase the bearing surface under fasteners by distributing the load, preventing damage to the material, and securing the bolt or nut against loosening. The clean, stamped design ensures uniform thickness for even pressure distribution and a reliable seal.
• [Usage Tips]: Select the appropriate washer size for your specific bolt and application to ensure maximum effectiveness. Avoid over-torquing to prevent deforming the washer and compromising the seal.