S-93413A315 0.563" ID x 1.375" OD ASME B18.21.1 Oversized Washers
Oversized 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 protection with black-coated steel construction for extended service life in harsh environments
- Exceptional load distribution with precise 1.375" outer diameter to prevent surface damage and joint loosening
- Guaranteed mechanical strength with Grade 8 classification and Rockwell C38 hardness for high-stress applications
- Perfect fastener compatibility with 0.563" inner diameter designed specifically for 1/2" screw sizes
- Industry-standard compliance meeting ASME B18.21.1 specifications for dimensional accuracy and performance
- Enhanced safety and reliability with consistent 0.156-0.188" thickness for uniform clamping force
- Environmental responsibility through RoHS 3 and REACH compliance for sustainable operations
Professional Applications & Engineering Value
This Grade 8 USS flat washer delivers critical engineering solutions for heavy-duty industrial applications where vibration resistance and joint integrity are paramount. The black corrosion-resistant coated steel construction provides essential protection against environmental degradation, significantly extending service life in demanding conditions. With its Rockwell C38 hardness and ASME B18.21.1 compliance, this washer maintains dimensional stability under extreme loads, preventing fastener loosening in machinery, structural assemblies, and equipment subjected to constant stress. The precise 1/2" screw size compatibility ensures optimal load distribution across mating surfaces, reducing point loading and surface deformation in critical connections.
Specification Summary & Compliance
This USS flat washer features dimensional specifications of 0.563" ID, 1.375" OD, and 0.156-0.188" thickness, manufactured to ASME B18.21.1 standards for dimensional accuracy and performance. The washer meets Grade 8 strength classification requirements with Rockwell C38 hardness certification. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental responsibility and workplace safety standards are maintained.
