S-98025A036 0.812" ID x 1.469" OD Oversized Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with 1.469" OD and 0.812" ID for superior surface coverage and reduced material stress
• Grade 8 strength reliability ensures consistent performance in high-torque and heavy-load industrial applications
• Enhanced corrosion resistance through zinc yellow-chromate plating for extended service life in harsh environments
• Precision dimensional stability with thickness range of 0.206-0.229" for reliable fit and consistent clamping force
• Rockwell C43 hardness rating provides excellent wear resistance and maintains structural integrity under pressure
• Comprehensive regulatory compliance with RoHS 3 and REACH standards for global industrial use without restrictions
• Optimized for 3/4" fasteners ensuring perfect compatibility with standard inch-system bolt and screw assemblies

Professional Applications & Engineering Value

Engineered for demanding industrial environments, this Grade 8 flat washer delivers critical performance where vibration resistance and load distribution are paramount. The zinc yellow-chromate plated steel construction provides superior corrosion protection, making it ideal for outdoor equipment, machinery assemblies, and structural applications exposed to moisture and chemicals. With Rockwell C43 hardness, these washers maintain dimensional stability under extreme pressure, preventing deformation that could compromise joint integrity. The precise 0.812" ID ensures secure fit on 3/4" fasteners while the generous 1.469" OD effectively distributes clamping force across wider surfaces. This combination of material strength, protective plating, and dimensional precision addresses common failure points in heavy machinery, construction equipment, and industrial manufacturing applications where fastener reliability directly impacts operational safety and maintenance intervals.

Specification Summary & Compliance

This heavy-duty flat washer features inch-system dimensions with 0.812" internal diameter and 1.469" external diameter, manufactured to precise thickness specifications between 0.206-0.229". The component meets Grade 8 strength classification requirements with Rockwell C43 hardness certification. Compliance includes RoHS 3 (2015/863/EU) with exemption 6(a) for lead as an alloying element in steel, and full adherence to REACH (EC 1907/2006) regulations current as of January 17, 2023, covering 233 Substances of Very High Concern.