S-92245A925 5/8"-11 x 2 1/4" FF-S-85, MS35307-465 Mil. Spec. 18-8 Stainless Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• High tensile strength of 70,000 psi ensures reliable performance under heavy loads and mechanical stress
• Rockwell B74 hardness provides excellent durability and resistance to wear and deformation
• External hex drive design allows for easy installation and removal with standard tools
• Class 2A thread fit offers optimal clearance for quick assembly while maintaining secure fastening
• Partially threaded configuration provides maximum grip strength where needed without unnecessary threading
• Comprehensive compliance with Fed. Spec. FF-S-85, RoHS 3, and REACH ensures regulatory acceptance

Professional Applications & Engineering Value

This heavy-duty 5/8"-11 UNC hex head screw delivers exceptional engineering value for demanding industrial applications where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides superior protection against rust and chemical exposure, making it ideal for marine, chemical processing, and outdoor infrastructure projects. The coarse UNC thread pattern with Class 2A fit ensures rapid installation in various materials while maintaining vibration resistance. The external hex drive design accommodates high torque applications, and the partially threaded configuration concentrates clamping force precisely where needed. These industrial hex screws are engineered to withstand extreme conditions while meeting strict Fed. Spec. FF-S-85 requirements for critical fastening applications.

Specification Summary & Compliance

This 5/8"-11 UNC hex head screw features precise Class 2A thread fit tolerances with coarse thread spacing and right-hand threading in the inch measurement system. Manufacturing complies with Fed. Spec. FF-S-85 (MS35307-465) standards, ensuring consistent quality and performance. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial components.