S-90126A029 0.281" ID x 0.625" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in harsh environments and reducing maintenance costs.
• Precise dimensional fit with 0.281" ID and 0.625" OD, ensuring reliable load distribution and preventing fastener loosening.
• High durability from zinc-plated steel construction, offering excellent strength for demanding industrial applications.
• Compliance with ASME B18.21.1 standard, guaranteeing consistent quality, interchangeability, and performance reliability.
• RoHS 3 and REACH compliance, ensuring environmental safety and meeting global regulatory requirements for hazardous substances.
• Versatile compatibility with 1/4" screw sizes, making it ideal for various assembly needs in multiple sectors.
• Cost-effective protection by minimizing surface damage and wear, enhancing the longevity of connected components.

Professional Applications & Engineering Value

This zinc-plated steel flat washer is engineered to address common industrial challenges such as corrosion-induced failure and uneven load distribution. The zinc plating provides a robust barrier against moisture and chemicals, crucial for automotive, construction, and industrial machinery applications where exposure to harsh conditions is frequent. By conforming to SAE standards and ASME B18.21.1, it ensures precise fit and reliable performance in fastening assemblies, reducing the risk of bolt loosening and joint fatigue. Its design supports even pressure distribution, protecting surfaces and extending the life of mechanical fasteners, making it a trusted choice for engineers seeking durable, corrosion-resistant washers that uphold safety and efficiency in critical operations.

Specification Summary & Compliance

This flat washer features an inner diameter of 0.281", outer diameter of 0.625", and thickness range of 0.051-0.080", designed for use with 1/4" screws in the inch system. It adheres to the ASME B18.21.1 specification for dimensional accuracy and performance. The product is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it meets stringent environmental and safety standards for hazardous substances.