S-94744A595 1.188" ID x 3.25" OD ASME B18.21.1 ASME Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with zinc plating that extends service life in demanding industrial environments
• Optimal load distribution thanks to the large 3.25" outer diameter that minimizes surface pressure and material stress
• Precise fit for 1 1/8" screws with consistent 1.188" inner diameter ensuring secure fastening alignment
• Enhanced durability through robust 0.146-0.174" thickness that withstands heavy mechanical loads
• Guaranteed dimensional consistency through compliance with ASME B18.21.1 manufacturing standards
• Environmental compliance assurance with full adherence to RoHS 3 and REACH regulations
• Reliable inch-system compatibility for seamless integration with existing industrial equipment and components

Professional Applications & Engineering Value

This zinc-plated steel flat washer delivers critical engineering solutions for industrial applications where corrosion resistance and load-bearing capacity are paramount. The zinc plating creates a protective barrier against moisture and chemical exposure, significantly extending component lifespan in manufacturing, construction, and heavy machinery applications. With its substantial 3.25" outer diameter, this washer effectively distributes clamping force over a wider surface area, preventing material deformation and maintaining joint integrity under heavy-duty conditions. The precise 1.188" inner diameter ensures perfect alignment with 1 1/8" screws, eliminating installation issues and reducing assembly time. Engineered to ASME B18.21.1 specifications, this flat washer provides reliable performance in critical fastening systems where dimensional accuracy and consistent quality are non-negotiable.

Specification Summary & Compliance

This flat washer features dimensional specifications of 1.188" inner diameter, 3.25" outer diameter, and 0.146-0.174" thickness, manufactured to ASME B18.21.1 standards for inch-system washers. The product maintains full compliance with RoHS 3 (2015/863/EU) under exemption 6(a) for lead as an alloying element in steel and is REACH (EC 1907/2006) compliant with the latest SVHC updates as of January 17, 2023. Designed specifically for use with 1 1/8" screws, this washer delivers precise dimensional tolerances required for industrial applications.