S-97725A276 30 mm ID x 38 mm OD Metal Sealing Washers

Key Features & Benefits at a Glance

• Lightweight and durable aluminum construction reduces overall assembly weight while maintaining structural integrity in various industrial settings.
• Precise metric sizing (30mm ID x 38mm OD) ensures a perfect fit for M27 screws, preventing misalignment and enhancing load distribution efficiency.
• Corrosion-resistant aluminum material extends service life in humid or corrosive environments, minimizing maintenance needs and replacement costs.
• RoHS 3 and REACH compliance guarantees safe, environmentally responsible use, meeting strict international regulatory standards for hazardous substances.
• Optimized thickness range (2.8-3.2mm) provides consistent performance under pressure, reducing the risk of deformation in high-stress applications.
• Excellent load distribution capabilities protect mating surfaces and fasteners from damage, prolonging the lifespan of connected components.

Professional Applications & Engineering Value

This M27 metric aluminum flat washer is engineered to address common industrial challenges such as surface damage, fastener loosening, and corrosion-induced failures. Made from high-quality aluminum, it offers superior corrosion resistance, making it ideal for outdoor, marine, or chemical-exposed environments where steel washers might degrade. The precise flat washer design with a 30mm inner diameter and 38mm outer diameter ensures even pressure distribution across M27 screw connections, reducing stress concentrations and preventing joint failure in machinery, automotive assemblies, and structural frameworks. Its lightweight nature also supports weight-sensitive applications in aerospace and transportation, while compliance with RoHS 3 and REACH standards ensures safety and sustainability in global supply chains.

Specification Summary & Compliance

This washer adheres to standard metric dimensions with an inner diameter of 30mm, outer diameter of 38mm, and thickness range of 2.8-3.2mm, designed for use with M27 screws. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for international industrial applications. The aluminum material provides reliable performance without additional hardness ratings, focusing on durability and environmental resistance.