S-92245A924 5/8"-11 x 1 1/4" FF-S-85, MS35307-460 Mil. Spec. 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments.
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and stress.
• Precise Class 2A thread fit guarantees easy assembly and secure fastening with reduced risk of cross-threading.
• Coarse UNC threading provides quick installation and superior holding power in a wide range of materials.
• External hex drive design allows for high-torque application using standard tools, speeding up maintenance and assembly.
• Full threading along the 1-1/4" length offers maximum adjustability and grip in deep or variable material thicknesses.
• Compliance with Fed. Spec. FF-S-85 (MS35307-460) ensures consistency and reliability for government and industrial projects.

Professional Applications & Engineering Value

This 5/8"-11 UNC hex head screw is engineered from passivated 18-8 stainless steel to combat corrosion in demanding settings like marine, chemical processing, and outdoor infrastructure. Its coarse thread spacing and Class 2A thread fit minimize installation time while providing robust clamping force, reducing the risk of loosening under vibration. The external hex drive and fully threaded design enable secure fastening in thick assemblies or where adjustability is critical, making it a go-to for heavy machinery, structural frames, and equipment requiring high-strength fasteners that meet stringent industry standards.

Specification Summary & Compliance

This screw features a Class 2A thread fit per UNC standards, with a diameter of 0.625" and coarse spacing for reliable engagement. It is manufactured to meet Fed. Spec. FF-S-85 (MS35307-460) and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.