S-91099A252 8-32 x 1/4" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• Superior fastening strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable, long-lasting connections
• Efficient installation using the Phillips No. 2 drive, reducing tool slippage and speeding up assembly processes
• Optimal flush mounting with the 82° countersink angle and undercut flat head profile for seamless surface finishes
• Consistent thread engagement through full threading and Class 2A thread fit, minimizing cross-threading risks
• Broad compatibility with UNC coarse threading and 8-32 size, suitable for various industrial applications
• Regulatory peace of mind by meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and environmental safety

Professional Applications & Engineering Value

These 8-32 UNC flat head screws are engineered to address critical fastening challenges in demanding sectors like machinery assembly, electronic enclosures, and automotive components. The passivated 18-8 stainless steel provides excellent resistance to oxidation and chemical exposure, extending service life in corrosive settings. The fully threaded design and Class 2A thread fit ensure uniform load distribution and reduce the likelihood of loosening under vibration. With an 82° countersink angle and undercut head profile, they deliver a flush finish that prevents snagging and enhances aesthetic appeal. The Phillips No. 2 drive offers straightforward installation, boosting efficiency in high-volume production lines while maintaining 80,000 psi tensile strength for structural integrity.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 2A thread fit for consistent assembly and UNC coarse thread spacing for quick engagement. Manufacturing follows ASME B18.6.3 specifications, ensuring reliability in mechanical fastening. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms environmental safety and regulatory alignment for global industrial use.