S-91122A222 9 mm ID Square Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications
• Exceptional load distribution with a large 50mm width, minimizing surface pressure and preventing material damage
• Reliable dimensional stability with a precise 9mm inner diameter ensuring perfect fit for M6 fasteners
• Enhanced durability and wear resistance thanks to Rockwell B84 hardness, maintaining performance under repeated stress
• Optimal spacing and vibration resistance provided by the substantial 6mm thickness for long-term joint integrity
• Full regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in global industrial supply chains
• Versatile metric sizing for seamless integration with international equipment and machinery specifications

Professional Applications & Engineering Value

This M6 square washer delivers critical engineering value in demanding applications where standard round washers fall short. The 18-8 stainless steel composition provides excellent corrosion resistance against chemicals, moisture, and extreme temperatures, making it ideal for marine equipment, food processing machinery, and chemical plant installations. The square design offers superior anti-rotation properties and increased surface contact area, effectively distributing clamp load across a wider surface to prevent embedding in softer materials. With its 50mm width and 6mm thickness, this metric washer creates stable foundations for structural connections, machinery bases, and heavy equipment assemblies where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

Manufactured to precise metric dimensions including 9mm inner diameter specifically designed for M6 fasteners. Constructed from 18-8 stainless steel with Rockwell B84 hardness for consistent mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring restriction of hazardous substances and safe industrial usage. The square washer design follows standard industrial dimensional requirements for reliable performance across various applications.