S-97725A104 12.2 mm ID x 17.9 mm OD DIN 7603 Metal Sealing Washers

Key Features & Benefits at a Glance

• Lightweight aluminum construction reduces overall assembly weight without compromising performance, ideal for weight-sensitive applications.
• Excellent corrosion resistance ensures long-term reliability and durability in various environmental conditions.
• Precise dimensional accuracy with a 12.2mm ID and 17.9mm OD guarantees a perfect fit for M12 screws, preventing loosening and misalignment.
• DIN 7603 certification confirms compliance with stringent German engineering standards for quality and interchangeability.
• Reliable load distribution and sealing protects surfaces and bolted joints from damage, enhancing the lifespan of your assemblies.
• Versatile 1.3-1.7mm thickness range provides flexibility for different spacing and tensioning requirements in industrial setups.
• Cost-effective fastening solution that combines material efficiency with high performance for repetitive industrial use.

Professional Applications & Engineering Value

This M12 metric aluminum flat washer is engineered to address common industrial challenges such as galvanic corrosion, component weight, and assembly integrity. Made from high-quality aluminum, it offers inherent corrosion resistance, making it suitable for harsh environments in automotive, machinery, and general industrial applications. The flat washer design, compliant with DIN 7603, ensures uniform pressure distribution under the screw head, preventing surface damage and maintaining joint stability. Its lightweight nature is critical for applications where reducing mass is essential, such as in mobile equipment or aerospace components, without sacrificing the durability needed for high-cycle operations. The precise metric dimensions and consistent thread form compatibility ensure easy integration and reliable performance in fastener systems, reducing installation time and maintenance costs.

Specification Summary & Compliance

This washer features an Inner Diameter (ID) of 12.2 mm, Outer Diameter (OD) of 17.9 mm, and a Thickness range of 1.3-1.7 mm, designed for M12 screw sizes with standard metric tolerances. It conforms to the DIN 7603 specification, ensuring dimensional accuracy and interchangeability. The aluminum material provides inherent benefits without additional surface treatment, and the product meets general industry standards for quality and performance, supporting compliance with RoHS and REACH where applicable for environmentally conscious manufacturing.