S-90377A184 0.578" ID x 1.25" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to Black-Oxide 18-8 Stainless Steel construction, ideal for harsh industrial environments
• Precise dimensional fit with 0.578" ID and 1.25" OD ensuring reliable performance with 9/16" screws
• Optimized load distribution through controlled thickness range (0.050-0.080") to prevent surface damage
• Enhanced durability from 18-8 stainless steel material, maintaining integrity under repeated use
• Regulatory compliance with RoHS 3 and REACH standards for safe, sustainable industrial applications
• Versatile inch system compatibility designed for seamless integration with standard industrial equipment
• Long-term reliability with black-oxide surface treatment providing additional protection against wear

Professional Applications & Engineering Value

This flat washer in Black-Oxide 18-8 Stainless Steel delivers critical engineering solutions where corrosion resistance and dimensional precision are paramount. The 0.578" ID x 1.25" OD dimensions ensure a perfect fit for 9/16" screw size applications, distributing clamp load effectively to prevent joint loosening and surface indentation. In industries like marine, chemical processing, and outdoor equipment manufacturing, the black-oxide finish on 18-8 stainless steel provides an extra barrier against moisture, chemicals, and UV exposure, significantly extending service life. The thickness range of 0.050-0.080" allows for fine-tuning in assembly, accommodating slight variations while maintaining consistent pressure distribution. These industrial washers are engineered to withstand vibration, thermal cycling, and corrosive environments, reducing maintenance frequency and replacement costs in demanding B2B applications.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 0.578" inner diameter, 1.25" outer diameter, and thickness ranging from 0.050" to 0.080". Manufactured from 18-8 stainless steel with black-oxide surface treatment, it is designed specifically for 9/16" screw applications. The product fully complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory adherence for industrial use.