S-98026A116 0.625" ID x 1.5" OD General Purpose Washers
General Purpose 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
- Exceptional corrosion resistance with black protective coating for extended service life in harsh environments
- Superior load distribution thanks to 1.5" OD design that prevents surface damage and joint loosening
- Precision fit for 9/16" screws with 0.625" ID ensuring secure fastening and vibration resistance
- Maximum durability achieved through Rockwell C38 hardness and Grade 8 strength classification
- Heavy-duty performance with USS standard design capable of handling extreme mechanical stress
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial applications
- Consistent thickness control between 0.097-0.121" for reliable spacing and clamping force
Professional Applications & Engineering Value
These Grade 8 USS flat washers deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The black corrosion-resistant coated steel construction provides superior protection against environmental degradation, making them ideal for outdoor infrastructure, marine equipment, and industrial machinery exposed to moisture and chemicals. With their heavy-duty design and Rockwell C38 hardness, these washers effectively distribute clamping force across wider surfaces, preventing bolt head embedding and maintaining joint integrity under extreme vibration and dynamic loads. The precise 1.5" OD x 0.625" ID dimensions ensure perfect compatibility with 9/16" screws in critical assembly applications where fastener failure is not an option.
Specification Summary & Compliance
Manufactured to USS (Unified Special Society) standards with dimensional precision including 1.5" outer diameter, 0.625" inner diameter, and thickness ranging 0.097-0.121". These washers meet Grade 8 strength requirements with Rockwell C38 hardness certification. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations ensures environmental safety and global market acceptance for industrial fastener applications.
