S-98970A135 0.688" ID x 1.75" 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 with hot-dipped galvanized steel coating, ideal for harsh industrial environments and outdoor applications.
- Precise dimensional fit with 0.688" ID and 1.75" OD, ensuring reliable performance with 5/8" screws and reducing assembly errors.
- Enhanced load distribution due to the large outer diameter, minimizing surface damage and increasing joint integrity.
- Consistent thickness range of 0.108-0.160" for uniform pressure application and improved fastener stability.
- Compliance with ASME B18.21.1 standards, guaranteeing dimensional accuracy and interchangeability for industrial use.
- RoHS 3 compliance ensures environmental safety and meets global regulatory requirements for hazardous substances.
- Durable construction provides long service life, reducing maintenance costs and downtime in demanding applications.
Professional Applications & Engineering Value
This USS flat washer is engineered from hot-dipped galvanized steel to address common industrial challenges like corrosion and mechanical stress. The robust inch system design, with precise inner and outer diameters, ensures optimal load distribution and prevents loosening under vibration, making it ideal for construction, machinery, and infrastructure projects. The galvanized surface treatment offers a protective barrier against moisture and chemicals, extending the lifespan of assemblies in corrosive environments. By adhering to ASME B18.21.1 specifications, it delivers reliable performance in heavy-duty applications, reducing the risk of fastener failure and enhancing overall safety and efficiency in industrial washers usage.
Specification Summary & Compliance
This washer features a flat type design with dimensions of 0.688" ID and 1.75" OD, and a thickness range of 0.108-0.160" for use with 5/8" screws. It conforms to ASME B18.21.1 standards for dimensional accuracy and interchangeability in the inch system. Additionally, it is RoHS 3 (2015/863/EU) compliant, ensuring it meets environmental regulations for hazardous substance restrictions, supporting safe and sustainable industrial operations.
