S-91090A114 0.531" ID x 1.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Enhanced corrosion resistance through zinc-plated steel construction, extending service life in harsh industrial environments
• Precise dimensional compatibility with 1/2" screws, ensuring secure fit and optimal load distribution
• Superior surface protection that maintains integrity under mechanical stress and environmental exposure
• Reliable load-bearing performance with 1.5" outer diameter providing increased bearing surface area
• Strict regulatory compliance meeting RoHS 3 and REACH standards for safe, sustainable industrial use
• Consistent thickness control (0.042-0.051") ensuring uniform pressure distribution and assembly reliability
• Versatile industrial application across machinery, construction, and equipment assembly due to standardized inch measurements

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these zinc-plated steel flat washers provide critical solutions for vibration management and surface protection. The 0.531" inner diameter ensures precise alignment with 1/2" fasteners, while the generous 1.5" outer diameter distributes clamping force effectively to prevent surface damage and joint loosening. The zinc plating delivers exceptional corrosion resistance, making these industrial washers ideal for outdoor equipment, machinery assembly, and construction applications where environmental exposure is a concern. Their standardized inch dimensions guarantee compatibility with existing hardware systems, reducing installation time and ensuring reliable performance in critical mechanical connections.

Specification Summary & Compliance

Manufactured to standard inch dimensions with 0.531" ID and 1.5" OD, these flat washers maintain consistent 0.042-0.051" thickness for uniform performance. The zinc-plated steel construction meets industrial requirements for durability and corrosion protection. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards ensures environmental safety and regulatory acceptance for global industrial applications.