S-98180A160 0.688" ID x 1.312" OD SAE Washers
SAE 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 zinc-flake coating that withstands harsh industrial environments
- Exceptional load distribution from precise SAE flat washer design prevents joint loosening
- Heavy-duty performance with Grade 8 strength classification for high-stress applications
- Optimized dimensional accuracy with 0.688" ID and 1.312" OD ensuring perfect fit for 5/8" fasteners
- Enhanced durability from Rockwell C38 hardness rating resisting deformation under pressure
- Regulatory compliance meeting RoHS 3 and REACH standards for global industrial use
- Reliable thickness range (0.122-0.177") providing consistent performance across applications
Professional Applications & Engineering Value
This Grade 8 SAE flat washer delivers critical engineering solutions where vibration resistance and joint integrity are paramount. The zinc-flake coated steel construction provides superior corrosion resistance compared to standard coatings, making it ideal for outdoor equipment, automotive assemblies, and heavy machinery exposed to moisture and chemicals. The precise inch system dimensions (0.688" ID, 1.312" OD) ensure perfect alignment with 5/8" fasteners, eliminating misalignment issues that compromise structural integrity. With Rockwell C38 hardness, these washers maintain their shape under extreme clamping forces, preventing bolt loosening in high-vibration environments like construction equipment and industrial machinery where safety and reliability are non-negotiable.
Specification Summary & Compliance
Manufactured to SAE standards with precise dimensional tolerances for inch system fasteners. The zinc-flake coated steel construction meets Grade 8 strength requirements with Rockwell C38 hardness certification. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and global market acceptance for industrial applications requiring verified material composition and performance standards.
