S-97725A277 33 mm ID x 42 mm OD Metal Sealing Washers

Key Features & Benefits at a Glance

• Lightweight aluminum construction reduces overall assembly weight while maintaining structural integrity
• Superior corrosion resistance ensures long-term reliability in harsh industrial environments
• Precise dimensional accuracy with 33mm ID and 42mm OD provides perfect fit for M30 screws
• Non-magnetic properties make these washers ideal for sensitive electronic and measurement applications
• Environmental compliance with RoHS 3 and REACH standards meets global regulatory requirements
• Consistent 2.8-3.2mm thickness ensures uniform load distribution and reliable performance
• Durable aluminum material offers excellent strength-to-weight ratio for demanding applications

Professional Applications & Engineering Value

This M30 metric aluminum flat washer delivers exceptional engineering value through its carefully engineered specifications. The aluminum construction provides the perfect balance of lightweight properties and mechanical strength, making it particularly valuable in weight-sensitive applications like aerospace components and automotive assemblies. The precise 33mm inner diameter ensures perfect compatibility with M30 fasteners, eliminating installation issues and reducing assembly time. In industrial settings where corrosion resistance is critical, these washers prevent galvanic corrosion and maintain integrity in challenging environments. The non-magnetic characteristics make them indispensable in electronic enclosures, medical equipment, and precision instrumentation where magnetic interference must be avoided. The optimized 42mm outer diameter provides sufficient bearing surface to prevent material deformation under load.

Specification Summary & Compliance

This metric flat washer features precise dimensional specifications including 33mm inner diameter, 42mm outer diameter, and consistent thickness ranging from 2.8-3.2mm. Manufactured from high-quality aluminum material, the washer is designed for use with M30 screw sizes in metric fastening systems. The product maintains dimensional accuracy suitable for industrial applications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, ensuring safety and regulatory compliance for global markets. The aluminum construction provides inherent corrosion resistance without additional surface treatments.