S-97416A113 0.188" ID x 0.438" OD ASME B18.21.1 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 load distribution with precise 0.188" ID and 0.438" OD dimensions for No. 8 screws, preventing surface damage and joint loosening
- Enhanced corrosion resistance through black-oxide steel finish, extending service life in demanding industrial environments
- Reliable dimensional consistency with thickness range 0.036-0.065" ensuring uniform pressure distribution across mating surfaces
- Industry-standard compliance with ASME B18.21.1 specifications for guaranteed interchangeability and engineering reliability
- Environmental regulation adherence through RoHS 3 and REACH compliance, ensuring safe use in regulated applications
- Optimized for SAE inch system applications, providing perfect fitment for North American industrial equipment and machinery
- Durable steel construction offering excellent strength-to-weight ratio for long-term performance in vibration-prone assemblies
Professional Applications & Engineering Value
These SAE flat washers deliver critical engineering solutions for industrial assembly challenges. The black-oxide steel construction provides essential corrosion protection while maintaining dimensional stability under load. Engineered specifically for No. 8 screw applications, these flat washers effectively distribute clamping force across wider surface areas, preventing material deformation in soft substrates and reducing stress concentration in hardened materials. The precise 0.188" ID x 0.438" OD configuration ensures proper bolt clearance while maximizing bearing surface, making them ideal for automotive assemblies, machinery manufacturing, and electrical enclosures where vibration resistance and consistent performance are paramount.
Specification Summary & Compliance
Manufactured to ASME B18.21.1 standards with dimensional tolerances ensuring proper fit and function. The washers feature standard inch measurements with internal diameter of 0.188", external diameter of 0.438", and thickness ranging 0.036-0.065". Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations confirms environmental safety and regulatory acceptance for global industrial applications.
