S-91771A142 6-32 x 7/16" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness, providing reliable performance under high-stress conditions
• Optimized flush mounting featuring a standard flat head profile with 82° countersink angle for seamless surface integration
• Enhanced driving efficiency with No. 2 Phillips drive design, reducing cam-out risk and improving installation speed
• Precision thread engagement through Class 2A thread fit and UNC coarse threading, ensuring secure fastening in various materials
• Full-thread coverage across the entire 7/16" length, maximizing grip strength and load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 standards, RoHS 3, and REACH regulations for global industrial applications

Professional Applications & Engineering Value

Engineered for demanding industrial environments, these 6-32 UNC flat head screws deliver exceptional performance where corrosion resistance and mechanical reliability are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making them ideal for machinery, electronic enclosures, and outdoor equipment. The combination of Class 2A thread fit and UNC coarse threading ensures rapid installation and secure fastening in various substrates, while the 82° countersink angle and flat head profile create flush surfaces that prevent snagging and improve aesthetic integration. The No. 2 Phillips drive offers efficient torque transmission, reducing installation time and tool wear in high-volume assembly operations.

Specification Summary & Compliance

This fastener maintains Class 2A thread fit tolerance per UNC standards with fully threaded 7/16" length and coarse thread spacing for optimal performance. Manufacturing and dimensional compliance adhere to ASME B18.6.3 specifications, ensuring interchangeability and reliability. Environmental and safety compliance includes RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted substances for global industrial applications.