S-92200A622 5/16"-18 x 1/2" MS16995-62, NAS1352C5-8, NASM16995, FF-S-86 Mil. Spec. 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• High tensile strength of 80,000 psi ensures reliable performance in demanding heavy-duty applications
• Precision Class 3A thread fit provides superior engagement and vibration resistance in assembled components
• 1/4" hex drive design allows for secure tool engagement and high torque application without slippage
• Fully threaded shank offers consistent clamping force along the entire fastener length
• Coarse UNRC threads enable quicker installation and reduced cross-threading risk in production environments
• Comprehensive compliance certification including MS16995 and NAS1352 standards for aerospace and military applications

Professional Applications & Engineering Value

This 18-8 stainless steel socket head cap screw delivers critical performance advantages in precision engineering applications where corrosion resistance and mechanical strength are paramount. The combination of Class 3A thread precision and coarse UNRC threading ensures rapid assembly in manufacturing lines while maintaining vibration resistance in dynamic environments. The passivated finish significantly enhances the natural corrosion resistance of stainless steel, making these fasteners ideal for marine equipment, food processing machinery, and outdoor industrial applications. With its 80,000 psi tensile strength and fully threaded design, this socket head cap screw provides uniform stress distribution and reliable clamping force in high-stress joints, reducing maintenance requirements and extending equipment service life.

Specification Summary & Compliance

This socket head cap screw features precision 5/16"-18 coarse threads with Class 3A thread fit per UNRC standards, ensuring tight tolerances for critical applications. Manufacturing complies with MS16995-62, NAS1352C5-8, and Fed. Spec. FF-S-86 requirements. The fastener is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for industrial components.