S-97725A500 22.2 mm ID x 26.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Excellent electrical and thermal conductivity for reliable performance in power distribution and heat transfer applications
• Superior corrosion resistance ensures long-term durability and reliability in harsh or humid environments
• Precise dimensional accuracy with a 22.2mm ID and 26.9mm OD for a perfect fit with M22 fasteners, preventing loosening
• Conforms to DIN 7603 standard, guaranteeing consistent quality, interchangeability, and compliance with European engineering specifications
• Optimized 1.3-1.7mm thickness range provides effective load distribution and sealing while maintaining flexibility
• High-quality copper material offers non-magnetic properties and malleability for a secure, gas-tight seal

Professional Applications & Engineering Value

This M22 metric copper flat washer is engineered to address critical challenges in electrical and mechanical assemblies. The high-purity copper construction delivers unmatched electrical conductivity, making it ideal for grounding systems, busbars, and electrical enclosures where minimizing resistance is paramount. Its inherent corrosion resistance prevents degradation from moisture and chemicals, extending service life in industrial and marine settings. The DIN 7603 compliance ensures precise flat washer geometry, providing consistent load distribution and vibration dampening under M22 fasteners. This combination of material properties and standardized dimensions solves common issues like galvanic corrosion, poor electrical contact, and joint failure, offering reliable performance in demanding applications such as power generation, automotive manufacturing, and heavy machinery.

Specification Summary & Compliance

This washer features a 22.2mm inner diameter, 26.9mm outer diameter, and a 1.3-1.7mm thickness range, manufactured to the precise dimensional tolerances specified in the DIN 7603 standard. It is designed for use with M22 screw sizes and complies with relevant industry specifications for metric flat washers. The product is manufactured from high-grade copper, conforming to material quality standards suitable for industrial applications.