S-96582A431 0.5" ID x 1.25" OD ASME B18.21.1 USS Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance with black-coated steel, ideal for harsh industrial environments and outdoor applications.
• Reliable load distribution due to the USS flat design, reducing surface pressure and preventing fastener loosening.
• Precise compatibility with 7/16" screws, ensuring secure fit and optimal performance in assembly operations.
• Durable construction with a thickness range of 0.064-0.104", providing long-lasting service in heavy-duty applications.
• Compliance with ASME B18.21.1 standards, guaranteeing dimensional accuracy and interchangeability for consistent quality.
• Environmental and safety adherence through RoHS 3 and REACH compliance, supporting sustainable and safe manufacturing practices.
• Versatile inch sizing (1.25" OD x 0.5" ID) for easy integration into various machinery and structural projects.

Professional Applications & Engineering Value

These USS flat washers are engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. Made from black corrosion-resistant coated steel, they provide a protective barrier against moisture and chemicals, extending the lifespan of fastening systems in demanding settings like construction, automotive, and heavy machinery. The flat washer design ensures even pressure spread, minimizing damage to connected surfaces and enhancing joint integrity. By conforming to ASME B18.21.1 specifications, they offer reliable performance in industrial applications, reducing maintenance needs and downtime. This makes them an essential component for engineers seeking durable, compliant, and efficient fastening solutions.

Specification Summary & Compliance

This washer features precise dimensions with an inner diameter of 0.5", outer diameter of 1.25", and thickness ranging from 0.064" to 0.104", designed for use with 7/16" screw sizes. It adheres to the ASME B18.21.1 standard, ensuring consistent quality and dimensional accuracy. Additionally, the product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility in industrial use.