S-93852A173 0.438" ID x 1" 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
- Exceptional corrosion resistance with black-oxide 18-8 stainless steel, ideal for harsh environments and reducing maintenance costs.
- Superior load distribution thanks to the USS flat design, minimizing surface damage and extending equipment life.
- High hardness rating (Rockwell B68) ensures durability and resistance to deformation under heavy loads.
- Precise dimensional accuracy with 0.438" ID and 1" OD, providing reliable fit and performance for 3/8" screw applications.
- Compliance with industry standards like ASME B18.21.1, guaranteeing consistent quality and interchangeability.
- Environmental and safety adherence through RoHS 3 and REACH compliance, supporting sustainable and safe industrial operations.
- Versatile thickness range (0.064-0.104") allows for flexibility in assembly while maintaining structural integrity.
Professional Applications & Engineering Value
These USS flat washers are engineered to address common industrial challenges, such as corrosion-induced failures and uneven load distribution. Made from black-oxide 18-8 stainless steel, they provide excellent protection against rust and chemical exposure, making them ideal for demanding applications in marine, construction, and automotive sectors. The flat washer design ensures even pressure dispersion, preventing bolt loosening and material fatigue. With precise dimensions and ASME B18.21.1 compliance, they offer reliable performance in high-stress environments, reducing downtime and maintenance needs for B2B clients seeking durable industrial washers.
Specification Summary & Compliance
This washer meets precise dimensional standards with an ID of 0.438", OD of 1", and thickness range of 0.064-0.104", designed for 3/8" screw sizes. It conforms to ASME B18.21.1 specifications for flat washers, ensuring consistent quality and fit. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental safety and regulatory adherence in industrial use.
