Premium Metric Copper Sealing Washers – DIN 7603 Form A
High-purity copper construction ensures superior corrosion resistance and thermal conductivity, ideal for high-temperature and high-pressure applications. Precision-engineered flat gaskets with exact DIN 7603 Form A specifications, guaranteeing leak-proof sealing in hydraulic systems, automotive engines, and industrial machinery. Available in all standard metric sizes for universal compatibility, from plumbing fixtures to heavy-duty mechanical assemblies. Mirror-polished surface enhances durability and provides a perfect seal against fluids, gases, and oils. Bulk pricing for wholesale buyers – lowest global rates for large-volume orders with fast international shipping. Trusted by professionals for reliability in HVAC, manufacturing, and marine equipment maintenance.