S-90471A437 8-32 x 1 1/2" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, ensuring long-lasting performance in demanding environments
• Excellent holding power with 60,000 psi tensile strength and Rockwell B70 hardness for reliable fastening in industrial applications
• Easy installation and removal with Phillips No. 2 drive and standard flat head profile that sits flush with surfaces
• Optimal thread engagement with UNC coarse threading and Class 2A fit, providing secure connections and reducing cross-threading risks
• Complete surface contact with 100° countersink angle and fully threaded design for maximum stability and load distribution
• Regulatory compliance assurance meeting ASME B18.6.3 standards, RoHS 3, and REACH for global industrial applications
• Versatile right-hand threading compatible with standard UNC nuts and threaded components across various industries

Professional Applications & Engineering Value

These zinc-plated steel flat head Phillips screws deliver exceptional engineering value in industrial fastening applications where corrosion resistance and high tensile strength are critical. The combination of UNC coarse threading with Class 2A thread fit ensures reliable performance in metal assemblies, machinery, and equipment where vibration resistance is essential. The standard flat head profile with 100° countersink angle provides flush mounting in predrilled holes, making them ideal for applications requiring smooth surface finishes. The fully threaded design maximizes grip length and distributes stress evenly, while the Phillips No. 2 drive offers efficient installation in automated or manual assembly processes. These screws are particularly valuable in electrical enclosures, automotive components, and industrial machinery where ASME B18.6.3 compliance ensures consistent quality and performance standards.

Specification Summary & Compliance

This 8-32 x 1-1/2" flat head Phillips screw features precise UNC coarse threading with Class 2A thread fit tolerance for consistent performance. Manufactured according to ASME B18.6.3 specifications for dimensional accuracy and mechanical properties. The product is fully compliant with RoHS 3 (2015/863/EU) regulations and REACH (EC 1907/2006) requirements, ensuring environmental safety and regulatory adherence for industrial applications worldwide. The screw maintains 60,000 psi tensile strength and Rockwell B70 hardness throughout its service life, backed by standardized manufacturing processes.