S-90313A203 0.265" ID x 0.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise dimensional fit with 0.265" inner diameter and 0.5" outer diameter, ensuring secure seating and uniform load distribution for 1/4" screws.
• Enhanced durability and longevity from the robust stainless steel material, reducing replacement frequency and maintenance costs.
• Reliable surface protection for components, preventing galvanic corrosion and surface damage under fastening pressure.
• Compliance with strict environmental standards, including RoHS 3 and REACH, ensuring safe use in regulated industries and global markets.
• Versatile inch system compatibility, making it easy to integrate into existing machinery and equipment without conversion issues.

Professional Applications & Engineering Value

These 18-8 stainless steel flat washers are engineered to address common industrial challenges such as fastener loosening, surface abrasion, and corrosion-induced failures. The precision flat washer design, with its exact 0.265" ID and 0.5" OD, ensures a snug fit for 1/4" screws, distributing clamp load evenly to prevent joint fatigue and leakage in assemblies. Made from corrosion-resistant 18-8 stainless steel, they excel in demanding sectors like machinery manufacturing, marine equipment, and chemical processing, where exposure to moisture and chemicals is frequent. By providing consistent performance and reducing downtime, these industrial washers support long-term reliability in mechanical and structural applications, aligning with B2B procurement needs for quality and compliance.

Specification Summary & Compliance

This flat washer adheres to standard inch measurements with an inner diameter of 0.265", outer diameter of 0.5", and thickness ranging from 0.043" to 0.057", designed specifically for 1/4" screw size. It conforms to general industrial standards for dimensional accuracy and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global supply chains.