S-98125A446 0.812" ID x 1.5" OD Oversized Washers

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional load distribution from precise 1.5" OD design, preventing surface damage and joint failure
• Perfect fit for 3/4" fasteners with 0.812" ID, ensuring secure installation and vibration resistance
• Enhanced durability with Rockwell B83 hardness, maintaining structural integrity under heavy loads
• Consistent performance through controlled 0.198-0.223" thickness variation for uniform pressure application
• Regulatory compliance with RoHS 3 and REACH standards, meeting global environmental and safety requirements
• Interchangeable compatibility with inch-system components, simplifying inventory and assembly processes

Professional Applications & Engineering Value

These 18-8 stainless steel flat washers deliver critical engineering solutions where corrosion resistance and mechanical stability are paramount. The inch-system dimensions (0.812" ID x 1.5" OD) provide optimal bearing surface for 3/4" screw applications, effectively distributing clamp load to prevent material deformation in structural assemblies, machinery, and marine equipment. The Rockwell B83 hardness ensures consistent performance under cyclic loading, while the stainless steel composition eliminates galvanic corrosion concerns in mixed-material environments. These flat washers serve as essential components in industrial maintenance, OEM manufacturing, and infrastructure projects where long-term reliability outweighs initial cost considerations.

Specification Summary & Compliance

Manufactured to precise inch-system tolerances with internal diameter of 0.812" and outer diameter of 1.5" for compatibility with 3/4" screw sizes. Thickness maintained within 0.198-0.223" range for consistent performance. Material hardness certified to Rockwell B83 specifications. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, including the latest SVHC requirements as of January 2023, ensuring environmental safety and regulatory acceptance for global industrial applications.