S-97725A213 20.2 mm ID x 23.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Superior electrical conductivity for reliable performance in electrical systems, reducing energy loss and improving efficiency.
• Excellent corrosion resistance ensures long-lasting durability in harsh environments, minimizing maintenance and replacement costs.
• Precise dimensional accuracy with 20.2mm ID and 23.9mm OD for secure fit and even load distribution in M20 screw applications.
• RoHS 3 compliance guarantees environmental safety and regulatory adherence, supporting sustainable industrial practices.
• DIN 7603 standard conformance provides assurance of quality and interchangeability in European metric assemblies.
• Optimized thickness range (1.3-1.7mm) allows for flexibility in compression and sealing, enhancing joint integrity.
• Copper material benefits include natural antimicrobial properties and thermal conductivity, ideal for diverse industrial uses.

Professional Applications & Engineering Value

This M20 metric copper flat washer is engineered to address critical challenges in electrical and plumbing systems, where corrosion resistance and superior conductivity are paramount. Made from high-quality copper material, it prevents galvanic corrosion and ensures stable electrical connections, reducing downtime in industrial setups. The DIN 7603 specification guarantees precise dimensions, such as the 20.2mm inner diameter and 23.9mm outer diameter, which facilitate easy installation and uniform pressure distribution in M20 screw assemblies. Ideal for applications like electrical grounding, pipe fittings, and machinery, this washer enhances safety and longevity by maintaining integrity under vibration and thermal stress, while the RoHS 3 compliant construction aligns with global environmental standards.

Specification Summary & Compliance

This washer adheres to DIN 7603 standards, ensuring precise metric dimensions including an inner diameter of 20.2mm, outer diameter of 23.9mm, and thickness range of 1.3-1.7mm for M20 screw compatibility. It is manufactured from copper for optimal performance and complies with RoHS 3 (2015/863/EU) directives, confirming it is free from hazardous substances and suitable for various industrial and electrical applications.