S-97725A100 6.2 mm ID x 9.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity from high-purity copper material, ensuring reliable performance in electrical systems and reducing energy loss.
• Excellent corrosion resistance for long-lasting durability in harsh environments, such as plumbing and automotive applications.
• Precise dimensional accuracy with 6.2mm inner diameter and 9.9mm outer diameter, providing a secure fit for M6 screws and minimizing installation issues.
• DIN 7603 compliance guarantees consistent quality and interchangeability, meeting rigorous industrial standards for metric flat washers.
• Versatile thickness range of 0.8-1.2mm allows for optimal load distribution and sealing in various assembly setups.
• Lightweight and malleable copper construction enables easy handling and conformability to uneven surfaces, enhancing sealing effectiveness.
• Ideal for demanding applications including electrical grounding, automotive engines, and plumbing systems, where conductivity and corrosion resistance are critical.

Professional Applications & Engineering Value

This M6 metric copper flat washer is engineered to address common industrial challenges, such as electrical connectivity failures and corrosion-induced wear. Made from high-quality copper, it provides exceptional electrical conductivity, making it indispensable in electrical panels, grounding systems, and battery terminals where efficient current flow is essential. The flat washer design and DIN 7603 certification ensure precise fit and reliable performance under vibration and thermal cycling, common in automotive assemblies and plumbing systems. Its corrosion-resistant properties extend service life in moist or chemical-exposed environments, reducing maintenance costs and downtime. By integrating this washer, engineers can enhance safety, improve energy efficiency, and achieve consistent results in metric hardware applications.

Specification Summary & Compliance

This washer adheres to DIN 7603 standards, ensuring precise dimensional tolerances for the inner diameter (6.2mm), outer diameter (9.9mm), and thickness range (0.8-1.2mm). It is designed for use with M6 screw sizes in metric systems and complies with industry specifications for flat washers. While hardness is not rated, the copper material supports general industrial requirements. The product meets common regulatory guidelines for material safety, such as RoHS and REACH, where applicable, ensuring environmental and health compliance in various sectors.