S-90481A258 0.188" ID x 2" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc plating extends service life in humid or outdoor environments
• Precise dimensional fit with 0.188" inner diameter ensures secure seating on No. 8 screws without slippage
• Optimal load distribution through 2" outer diameter prevents surface damage and material deformation
• Durable steel construction maintains structural integrity under repeated assembly and disassembly cycles
• Regulatory compliance assurance with RoHS 3 and REACH standards meets global environmental and safety requirements
• Versatile inch-system compatibility simplifies integration with existing industrial equipment and standards
• Consistent thickness control (0.036-0.065") ensures reliable performance in vibration-prone applications

Professional Applications & Engineering Value

This zinc-plated steel flat washer delivers critical engineering solutions where corrosion resistance and dimensional accuracy are paramount. The inch-system flat washer with 0.188" ID and 2" OD provides optimal bearing surface for No. 8 screw applications, effectively preventing joint loosening in vibrating machinery and distributing clamp load across delicate materials. The zinc-plated steel construction offers sacrificial protection against galvanic corrosion, making it ideal for electrical enclosures, outdoor structures, and manufacturing equipment exposed to moisture. Engineers specify this RoHS and REACH compliant washer for maintenance operations and OEM assemblies where regulatory compliance and long-term reliability are non-negotiable requirements.

Specification Summary & Compliance

Manufactured to standard inch system dimensions with 0.188" inner diameter and 2" outer diameter, this flat washer maintains consistent thickness between 0.036-0.065" for reliable performance. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance adherence. Designed specifically for No. 8 screw sizes, this zinc-plated steel washer provides dependable service across industrial and commercial applications requiring corrosion-resistant fastening solutions.