S-98119A113 2.125" ID x 3.75" OD ASTM F436 Type 1 Structural Washers

Key Features & Benefits at a Glance

• Superior corrosion protection with hot-dipped galvanized steel coating, extending service life in harsh environments
• Exceptional load distribution through precise 2.125" ID and 3.75" OD dimensions, minimizing surface stress
• Enhanced structural integrity with Rockwell C38 hardness, providing reliable performance under heavy loads
• Industry-standard compliance with ASTM F436 Type 1 specifications, ensuring consistent quality and performance
• Optimized compatibility for 2" screw sizes with 0.178-0.280" thickness range, delivering secure fastening
• Environmental responsibility through RoHS 3 and REACH compliance, meeting global regulatory requirements
• Durable construction with inch system measurements, maintaining dimensional stability across industrial applications

Professional Applications & Engineering Value

This hot-dipped galvanized steel flat washer delivers critical engineering solutions for industrial applications where corrosion resistance and structural reliability are paramount. The ASTM F436 Type 1 certification ensures consistent performance in heavy-duty bolted connections, particularly in construction, infrastructure, and machinery assembly. The zinc coating provides sacrificial protection against rust and environmental degradation, while the Rockwell C38 hardness maintains dimensional stability under sustained loads. Engineered for 2" screw compatibility, these washers effectively distribute clamping forces across wider surfaces, preventing joint loosening and material deformation in structural steel connections, bridge construction, and industrial equipment requiring reliable, long-term fastening solutions.

Specification Summary & Compliance

This flat washer features precise inch system dimensions with 2.125" inner diameter, 3.75" outer diameter, and 0.178-0.280" thickness range. Manufactured to ASTM F436 Type 1 standards for structural washers, it maintains Rockwell C38 hardness for consistent mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and regulatory acceptance for industrial applications worldwide.