S-97725A950 22.2 mm ID x 26.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Lightweight aluminum construction reduces overall assembly weight without compromising durability, ideal for applications where weight savings are critical.
• Excellent corrosion resistance ensures long-lasting performance in various environments, minimizing maintenance and replacement costs.
• Precise DIN 7603 compliance guarantees dimensional accuracy and reliable fit with M22 screws, ensuring secure fastening and assembly integrity.
• Optimized dimensions (22.2mm ID x 26.9mm OD) provide a perfect balance between load distribution and space efficiency for M22 metric assemblies.
• Consistent 1.3-1.7 mm thickness offers uniform pressure distribution, helping to prevent surface damage and loosening under vibration.
• Broad industrial applicability makes it a versatile choice for machinery, automotive, and structural projects requiring metric fasteners.

Professional Applications & Engineering Value

This M22 metric aluminum flat washer is engineered to address common industrial challenges such as galvanic corrosion and weight management in assemblies. Made from aluminum, it naturally resists rust and oxidation, making it suitable for outdoor or humid environments where steel washers might fail. The flat washer design, conforming to DIN 7603, ensures precise thread engagement and even load distribution, which helps prevent joint failure and extends the life of connected components. Its lightweight properties are particularly valuable in aerospace, automotive, and portable equipment, where reducing mass is essential for efficiency and performance. By providing a reliable, corrosion-resistant barrier, this washer enhances the longevity and reliability of M22 screw fastenings in demanding applications.

Specification Summary & Compliance

This washer meets DIN 7603 specifications, ensuring precise dimensional tolerances for the inner diameter (22.2 mm), outer diameter (26.9 mm), and thickness (1.3-1.7 mm). It is designed for use with M22 metric screws, providing consistent performance in industrial assemblies. The aluminum material offers inherent corrosion resistance, and while hardness is not rated, the product is manufactured to standard engineering guidelines. It complies with common industry requirements for material quality and is suitable for applications adhering to metric fastener standards.