S-93852A105 0.5" ID x 1.25" OD ASME B18.21.1 USS Washers
USS Washers
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Basic Information
Dimension Parameters
Material & Strength Parameters
Installation & Application Parameters
Finish & Compliance Parameters
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Key Features & Benefits at a Glance
- Superior corrosion resistance from 18-8 stainless steel construction, ideal for harsh industrial environments
- Excellent load distribution with 1.25" OD and 0.5" ID, preventing surface damage and joint loosening
- Enhanced durability with Rockwell B68 hardness, maintaining structural integrity under repeated stress
- Precise compatibility with 7/16" fasteners, ensuring secure fit and optimal performance
- Industry-standard compliance with ASME B18.21.1 specifications for reliable mechanical properties
- Environmental safety assurance through RoHS 3 and REACH compliance, meeting global regulatory requirements
- Consistent thickness tolerance (0.064-0.104") for uniform pressure distribution and installation reliability
Professional Applications & Engineering Value
These USS flat washers in 18-8 stainless steel deliver exceptional engineering value across demanding applications. The corrosion-resistant properties make them ideal for marine equipment, chemical processing plants, and outdoor infrastructure where moisture and corrosive elements are prevalent. The ASME B18.21.1 certification ensures precise dimensional accuracy and mechanical performance, preventing fastener loosening in high-vibration environments like machinery assemblies and structural frameworks. With their Rockwell B68 hardness and inch-system dimensions, these washers provide reliable load distribution for 7/16" fasteners in heavy-duty applications, reducing surface stress and extending component lifespan while maintaining compliance with international environmental standards.
Specification Summary & Compliance
This USS flat washer meets ASME B18.21.1 dimensional and mechanical specifications with 0.5" ID, 1.25" OD, and thickness range of 0.064-0.104". Manufactured from 18-8 stainless steel with Rockwell B68 hardness rating, it provides consistent performance for 7/16" screw applications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for global industrial use.
