S-91099A270 8-32 x 1" 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, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing performance
• Optimized flush mounting featuring undercut flat head design with 82° countersink angle for seamless surface integration
• Precision threading compatibility with UNC coarse spacing and Class 2A fit ensures secure fastening in various applications
• Enhanced driving efficiency with No. 2 Phillips drive for secure tool engagement and reduced cam-out risk
• Full-threaded design provides maximum grip length and superior holding power across the entire fastener
• Regulatory compliance assurance meeting ASME B18.6.3 standards and environmental regulations for global industrial use

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 8-32 flat head machine screws deliver critical performance advantages where corrosion resistance and structural integrity 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 installations. The undercut flat head profile with 82° countersink angle ensures flush mounting without protrusion, preventing snagging while maintaining aerodynamic and aesthetic surfaces. With fully threaded UNC coarse spacing and Class 2A fit, these screws offer rapid installation and reliable thread engagement in metals, plastics, and composite materials. The combination of 80,000 psi tensile strength and controlled hardness makes them suitable for vibration-prone assemblies where fastener integrity cannot be compromised.

Specification Summary & Compliance

This 8-32 x 1" flat head Phillips machine screw maintains precise dimensional accuracy with Class 2A thread fit and UNC coarse thread spacing per established industrial standards. Manufacturing compliance includes ASME B18.6.3 specifications for dimensional consistency and mechanical properties. Environmental regulatory compliance is confirmed through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) adherence, ensuring restricted substance management for global industrial applications. The fastener features right-hand threading, fully threaded design, and consistent mechanical properties verified through standardized testing protocols.