S-98023A039 1.25" ID x 2.25" OD ASME B18.21.1 SAE Washers

Key Features & Benefits at a Glance

• Exceptional load distribution with 2.25" OD and 1.25" ID for superior surface coverage and reduced surface pressure
• Premium corrosion resistance through zinc yellow-chromate plating, ideal for harsh industrial environments
• High-strength performance with Grade 8 classification and Rockwell C38 hardness for demanding applications
• Precision dimensional accuracy ensuring consistent fit for 1 1/8" screw sizes and reliable assembly
• Extended service life due to robust steel construction and protective surface treatment
• Regulatory compliance assurance meeting both ASME B18.21.1 specifications and REACH environmental standards
• Versatile industrial compatibility designed for SAE inch system applications across multiple sectors

Professional Applications & Engineering Value

This Grade 8 SAE flat washer delivers critical engineering solutions for industrial applications where vibration resistance, load distribution, and corrosion protection are paramount. The zinc yellow-chromate plated steel construction provides superior barrier protection against environmental degradation, significantly extending component life in demanding conditions. With its precise 1.25" ID x 2.25" OD dimensions and Rockwell C38 hardness, this washer maintains structural integrity under extreme pressure while preventing fastener loosening in high-vibration environments. The ASME B18.21.1 compliance ensures dimensional consistency and performance reliability across heavy machinery, construction equipment, automotive assemblies, and industrial manufacturing applications where failure prevention is critical.

Specification Summary & Compliance

Manufactured to ASME B18.21.1 specifications with dimensional tolerances maintained within standard inch system requirements. The Grade 8 classification confirms high tensile strength performance, while the Rockwell C38 hardness rating ensures durability under heavy loads. Compliant with REACH (EC 1907/2006) regulations regarding substance restrictions, confirming environmental responsibility. The zinc yellow-chromate plating provides corrosion resistance while maintaining electrical conductivity properties. Designed specifically for use with 1 1/8" screw sizes in industrial fastening applications requiring reliable performance and long-term reliability.