S-90126A221 1.25" ID x 2.25" OD SAE Washers

Key Features & Benefits at a Glance

• Superior load distribution with 2.25" outer diameter to prevent surface damage and fastener loosening under heavy loads
• Enhanced corrosion resistance through zinc-plated steel construction for extended service life in demanding environments
• Precise compatibility with 1 1/8" screw sizes and 1.25" inner diameter for secure, vibration-resistant fastening
• Heavy-duty performance with Grade 5 strength classification suitable for high-stress industrial applications
• Regulatory compliance with RoHS 3 and REACH standards for safe use across global markets
• Dimensional stability with thickness range of 0.108-0.160" ensuring consistent performance and reliable spacing
• SAE standard compliance guaranteeing interchangeability and reliable performance in inch-based fastener systems

Professional Applications & Engineering Value

This zinc-plated steel SAE flat washer addresses critical engineering challenges in heavy machinery, construction equipment, and industrial assembly applications. The Grade 5 material strength combined with the substantial 2.25" outer diameter provides exceptional load distribution, preventing surface indentation and maintaining joint integrity under extreme vibration and dynamic loads. The zinc plating offers reliable corrosion resistance in environments exposed to moisture, chemicals, and temperature variations. Engineered for 1 1/8" screw size compatibility, this washer ensures precise fitment in critical bolted connections while the SAE inch specifications guarantee seamless integration with existing industrial fastener systems, reducing installation time and maintenance requirements.

Specification Summary & Compliance

This SAE flat washer features precise dimensional specifications with 1.25" inner diameter, 2.25" outer diameter, and thickness ranging from 0.108" to 0.160". Manufactured to SAE standards for inch system fasteners and classified as Grade 5 for reliable strength performance. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.