S-90481A253 0.656" ID x 2" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance through zinc-plated steel construction, extending service life in humid or demanding environments
• Precise dimensional fit with 0.656" ID and 2" OD, ensuring reliable alignment and load distribution for 5/8" screws
• Enhanced assembly stability with 0.074-0.121" thickness range, providing consistent spacing and vibration resistance
• Global regulatory compliance with RoHS 3 and REACH standards, ensuring safe use in international industrial applications
• Durable steel core material offering excellent strength and longevity under mechanical stress
• Inch system compatibility for seamless integration with existing North American machinery and equipment
• Versatile industrial application across construction, manufacturing, and mechanical assemblies

Professional Applications & Engineering Value

This zinc-plated steel flat washer delivers critical engineering solutions for industrial fastening systems. The 0.656" inner diameter precisely accommodates 5/8" screws, preventing bolt hole misalignment while the 2" outer diameter significantly increases bearing surface area to distribute clamp load effectively. This design prevents surface damage, reduces stress concentration, and maintains joint integrity under vibration - a common failure point in machinery and structural applications. The zinc plating creates a sacrificial barrier against oxidation, making these flat washers ideal for outdoor equipment, automotive assemblies, and manufacturing plants where moisture or chemical exposure occurs. By combining dimensional precision with corrosion-resistant properties, these washers address both immediate assembly needs and long-term reliability concerns.

Specification Summary & Compliance

Manufactured to standard inch system dimensions with 0.656" ID, 2" OD, and 0.074-0.121" thickness range. Constructed from zinc-plated steel for consistent performance. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, containing no restricted substances above threshold limits. Designed specifically for use with 5/8" screw sizes in industrial and mechanical applications.