S-90126A223 0.281" ID x 0.625" OD SAE Washers

Key Features & Benefits at a Glance

• Exceptional load distribution through precise 0.281" ID and 0.625" OD dimensions, preventing surface damage and joint loosening
• Superior corrosion resistance with zinc-plated steel construction, ensuring long-term reliability in harsh industrial environments
• Maximum durability with Rockwell C38 hardness, maintaining structural integrity under heavy-duty fastening applications
• Guaranteed strength performance through Grade 8 classification, providing reliable support for critical mechanical assemblies
• Standardized compatibility with SAE inch system specifications, ensuring perfect fit with 1/4" fasteners and easy replacement
• Enhanced safety compliance with RoHS 3 and REACH regulations, meeting international environmental and health standards
• Optimized thickness range (0.051-0.080") for balanced compression and vibration resistance in demanding applications

Professional Applications & Engineering Value

These Grade 8 zinc-plated steel flat washers deliver critical engineering solutions for industrial applications requiring heavy-duty fastening and reliable load distribution. The SAE standard design with precise 1/4" internal diameter ensures perfect compatibility with standard fasteners, while the 0.625" outer diameter provides maximum surface coverage to prevent embedding and material deformation. The zinc-plated steel construction offers superior corrosion protection in demanding environments including manufacturing equipment, automotive assemblies, and construction machinery. With Rockwell C38 hardness, these washers maintain dimensional stability under extreme pressure, effectively solving common issues of joint failure and vibration-induced loosening in critical mechanical systems.

Specification Summary & Compliance

This SAE standard flat washer features precise dimensional specifications including 0.281" ID, 0.625" OD, and thickness range of 0.051-0.080". Manufactured to Grade 8 strength classification with Rockwell C38 hardness, these washers comply with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe usage across global industrial markets while maintaining consistent performance in inch-system applications.