S-93162A330 11 mm ID x 20 mm OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance from blue-dyed steel surface treatment, extending service life in demanding industrial environments
• Precise dimensional compatibility with 11mm ID and 20mm OD ensuring perfect fit for M10 screws in metric assemblies
• Superior load distribution across 3.0-4.5mm thickness range, preventing surface damage and maintaining joint integrity
• Exceptional mechanical strength with Rockwell C38 hardness rating, providing reliable performance under high-stress conditions
• Global regulatory compliance with RoHS 3 and REACH standards, ensuring safe use across international markets
• Quick visual identification through distinctive blue coloring, streamlining inventory management and assembly processes
• Optimized for industrial hardware systems with metric specifications, delivering consistent performance in machinery and equipment applications

Professional Applications & Engineering Value

These M10 flat washers deliver critical engineering solutions through their blue-dyed steel construction and precision metric dimensions. The 11mm internal diameter provides exact compatibility with M10 fasteners, eliminating play and ensuring secure fastening in industrial assemblies. The 20mm outer diameter creates an optimal bearing surface that distributes clamping force evenly, preventing surface indentation and maintaining structural integrity in machinery, automotive, and equipment manufacturing applications. The blue-dyed surface treatment offers both corrosion protection and visual identification benefits, while the Rockwell C38 hardness ensures the washers maintain their form under sustained pressure and vibration. This combination of precise dimensional control, material durability, and regulatory compliance makes these metric flat washers ideal for engineers requiring reliable performance in demanding industrial environments.

Specification Summary & Compliance

Manufactured to precise metric standards with 11mm internal diameter and 20mm outer diameter specifications, these flat washers feature a controlled thickness range of 3.0-4.5mm for consistent performance. The blue-dyed steel construction meets industrial hardness requirements at Rockwell C38, ensuring dimensional stability under load. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and unrestricted use across global markets, making them suitable for various industrial and commercial applications requiring metric hardware components.