S-92217A445 0.203" ID x 0.562" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh or humid environments
• Precise dimensional fit with 0.203" ID and 0.562" OD ensures reliable performance with No. 10 screws
• Consistent load distribution and surface protection due to controlled 0.036-0.045" thickness
• Guaranteed mechanical reliability through compliance with ASME B18.21.1 standards
• Safe for sensitive applications with full RoHS 3 and REACH compliance, free from hazardous substances
• Long-term durability in industrial settings, reducing replacement frequency and maintenance costs
• Broad compatibility with inch-system fasteners and equipment, simplifying inventory and assembly

Professional Applications & Engineering Value

These 18-8 stainless steel flat washers deliver critical performance in demanding industrial and engineering contexts. The material's inherent corrosion resistance prevents degradation in chemical exposure, marine, or outdoor applications, while the ASME B18.21.1 certification ensures dimensional precision for uniform clamping force and vibration resistance. Designed specifically for No. 10 screw sizes, they prevent loosening and surface damage in machinery, electrical enclosures, and structural assemblies. The flat washer design evenly distributes load, protecting components from stress concentration—making them indispensable for OEM manufacturing, MRO operations, and high-reliability fastener systems where material integrity and regulatory adherence are non-negotiable.

Specification Summary & Compliance

This flat washer conforms to ASME B18.21.1 specifications, with an inner diameter of 0.203", outer diameter of 0.562", and thickness ranging 0.036–0.045". It is manufactured from 18-8 stainless steel and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material traceability for industrial and export applications.