S-90126A211 0.531" ID x 1.062" OD SAE Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• Enhanced load distribution with precise 0.531" ID and 1.062" OD dimensions to prevent surface damage and loosening
• Reliable Grade 5 strength ensuring consistent performance under mechanical stress and vibration
• SAE standard compliance guarantees dimensional accuracy and interchangeability in inch-system applications
• Optimal thickness range (0.074-0.121") provides perfect compression and spacing for 1/2" screw assemblies
• Full regulatory compliance with RoHS 3 and REACH standards for safe, sustainable industrial use
• Versatile industrial suitability for machinery, equipment, and structural applications requiring durable fastening solutions

Professional Applications & Engineering Value

These SAE flat washers deliver critical engineering value by solving common industrial fastening challenges. The zinc-plated steel construction provides essential corrosion resistance in humid or outdoor environments, while the Grade 5 material strength ensures reliable performance under mechanical stress and vibration. The precise 0.531" ID perfectly accommodates 1/2" screws, preventing misalignment and ensuring even load distribution across the 1.062" OD surface area. This combination makes these flat washers ideal for heavy-duty applications in machinery assembly, structural steel connections, automotive components, and industrial equipment where consistent clamping force and surface protection are paramount. The inch-system compatibility ensures seamless integration with existing SAE standard fasteners.

Specification Summary & Compliance

Manufactured to SAE standards with precise dimensional tolerances for 1/2" screw applications. Features 0.531" inner diameter and 1.062" outer diameter with thickness ranging from 0.074" to 0.121". Constructed from zinc-plated steel with Grade 5 strength classification. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial applications worldwide.