S-97725A520 6.2 mm ID x 12.4 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Enhanced electrical and thermal conductivity due to high-purity copper material, ensuring efficient performance in electrical and heat transfer applications.
• Superior corrosion resistance for long-lasting reliability in harsh or humid industrial environments, reducing maintenance frequency.
• Precise dimensional accuracy with 6.2mm ID, 12.4mm OD, and 1.3-1.7mm thickness, guaranteeing a secure fit for M6 screws and uniform load distribution.
• DIN 7603 compliance ensures consistent quality, interchangeability, and adherence to recognized international standards for metric flat washers.
• Excellent sealing properties as a copper sealing washer, preventing leaks in fluid and gas systems under compression.
• Durable and malleable construction allows for effective conforming to surface irregularities, enhancing joint integrity and vibration resistance.
• Wide application versatility in electrical, automotive, and plumbing systems, offering a reliable solution for both conductive and sealing needs.

Professional Applications & Engineering Value

This M6 metric copper flat washer is engineered to address critical challenges in industrial settings, such as electrical connectivity loss and corrosion-induced failures. Made from high-conductivity copper material, it ensures minimal resistance in electrical joints, which is vital for power distribution and electronic assemblies. The flat washer design with precise M6 screw size compatibility provides even pressure distribution, preventing loosening under vibration and thermal cycling. Its corrosion-resistant properties make it ideal for use in moist or chemically aggressive environments, such as marine or automotive applications, while the DIN 7603 standard guarantees dimensional consistency for easy integration. By serving as both a conductive element and a sealing washer, it reduces the need for multiple components, streamlining assembly and enhancing reliability in electrical and thermal systems.

Specification Summary & Compliance

This washer meets DIN 7603 specifications for metric flat washers, with an inner diameter of 6.2 mm, outer diameter of 12.4 mm, and thickness range of 1.3–1.7 mm, designed for M6 screw size. It adheres to standard dimensional tolerances for consistent performance and is manufactured from pure copper for optimal conductivity and corrosion resistance. Compliant with industry standards, it supports quality assurance in applications requiring reliable sealing and electrical connectivity, though specific hardness ratings are not specified. The product aligns with common regulatory requirements for material safety, such as RoHS and REACH, where applicable.