S-91772A880 5/16"-24 x 2" ASME B18.6.3 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for extended service life in harsh environments
• Exceptional mechanical strength with 70,000 psi tensile strength to withstand heavy-duty industrial loads
• Precise thread engagement through Class 2A thread fit and UNF fine threading for secure, vibration-resistant connections
• Optimized drive efficiency with No. 4 Phillips drive and rounded pan head design for easier installation and reduced cam-out
• Maximum grip length with fully threaded 2" length providing superior holding power across the entire fastener
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations including RoHS 3 and REACH
• Versatile industrial application with standardized dimensions and right-hand threading for broad compatibility across equipment and machinery

Professional Applications & Engineering Value

These 5/16"-24 UNF rounded head Phillips screws deliver critical performance advantages for industrial fastening applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for marine equipment, food processing machinery, and outdoor industrial installations. The fine thread UNF configuration with Class 2A tolerance ensures precise fitment and vibration resistance in high-stress assemblies, while the fully threaded design maximizes load distribution across the entire 2" length. The combination of 70,000 psi tensile strength and standardized pan head profile with No. 4 Phillips drive creates a robust fastening solution that withstands demanding operational conditions while maintaining installation efficiency.

Specification Summary & Compliance

These industrial-grade screws feature precision 5/16"-24 UNF fine threads with Class 2A thread fit tolerance for consistent engagement and reliable performance. Manufacturing complies with ASME B18.6.3 specifications, ensuring dimensional accuracy and mechanical properties. Environmental compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances. The passivated 18-8 stainless steel construction delivers both mechanical strength and corrosion resistance, while the standardized rounded pan head with No. 4 Phillips drive provides industry-compatible installation characteristics.