S-91400A047 0-80 x 7/16" FF-S-92, QQ-P-35, MS51958-125, NASM51958 Stainless Steel Pan Head Phillips Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Exceptional tensile strength of 80,000 psi ensures reliable performance in high-stress applications
• Precise Class 2A thread fit provides consistent engagement and vibration resistance in fine-threaded assemblies
• Standard Phillips drive enables efficient installation with common tools while maintaining head integrity
• Fully threaded design offers maximum grip length and uniform load distribution across the entire fastener
• Rounded pan head profile combines low-profile aesthetics with practical bearing surface for secure fastening
• Comprehensive regulatory compliance including RoHS 3 and REACH ensures environmental and safety standards are met

Professional Applications & Engineering Value

This 0-80 UNF rounded head screw delivers critical performance advantages in precision engineering applications where corrosion resistance and mechanical reliability are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical degradation, making it ideal for electronics enclosures, aerospace components, and medical devices operating in demanding environments. The fine UNF thread with Class 2A fit ensures precise mating with tapped holes, reducing the risk of cross-threading while maintaining consistent clamping force. The combination of fully threaded design and 80,000 psi tensile strength creates a fastener capable of withstanding vibration and thermal cycling in critical assemblies, while the Phillips drive facilitates efficient installation in high-volume production settings.

Specification Summary & Compliance

This precision fastener maintains Class 2A thread fit tolerances per UNF standards with a 0-80 thread size and 7/16" length. Manufacturing complies with Fed. Spec. FF-S-92, QQ-P-35, MS51958-125, and NASM51958 specifications. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental and substance restriction requirements for industrial applications worldwide.