S-97725A315 22.2 mm ID x 26.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Enhanced electrical conductivity for reliable current flow in demanding electrical systems
• Superior corrosion resistance from the cellulose-filled copper material, extending service life in harsh environments
• Precise dimensional fit with 22.2mm ID and 26.9mm OD ensuring secure placement on M22 screws
• DIN 7603 certification guarantees consistent quality and interchangeability in industrial assemblies
• RoHS 3 compliance ensures environmental safety and meets strict regulatory standards
• Optimized thickness range (1.8-2.2mm) provides effective load distribution and vibration resistance
• Durable construction maintains integrity under repeated thermal and mechanical stress

Professional Applications & Engineering Value

This cellulose-filled copper flat washer delivers critical performance in electrical and industrial applications where reliable conductivity and corrosion resistance are paramount. The unique material composition addresses common failure points in electrical grounding, busbar connections, and power distribution systems by preventing galvanic corrosion while maintaining stable electrical paths. Engineered to DIN 7603 standards, these M22 metric washers ensure precise fitment in automotive electrical systems, industrial control panels, and renewable energy installations. The copper construction with cellulose filling provides superior sealing properties against moisture and contaminants, solving leakage current issues in outdoor and marine environments where standard washers would degrade prematurely.

Specification Summary & Compliance

This flat washer features precise metric dimensions with 22.2mm inner diameter and 26.9mm outer diameter, manufactured to DIN 7603 specifications for dimensional accuracy and performance consistency. The product is RoHS 3 (2015/863/EU) compliant, meeting environmental safety requirements while maintaining the material properties necessary for electrical conductivity applications. Designed specifically for M22 screw sizes with thickness ranging from 1.8-2.2mm, these washers provide reliable performance in electrical assemblies requiring certified components.