S-90471A273 8-32 x 3/4" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction, extending service life in demanding industrial environments
• Excellent tensile strength rated at 60,000 psi for reliable performance under heavy loads and vibration
• Precise flush mounting with standard 100° countersink angle and flat head design for seamless surface integration
• Optimized driving efficiency through Phillips No. 2 drive system, reducing cam-out and installation time
• Secure fastening performance with UNC coarse threads and Class 2A fit, ensuring consistent engagement in various materials
• Enhanced durability from Rockwell B70 hardness, maintaining thread integrity through repeated use
• Full regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

These zinc-plated steel flat head screws deliver exceptional engineering value across industrial applications where flush surface mounting and corrosion resistance are critical. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in machinery assembly, electrical enclosures, and automotive components where vibration resistance is paramount. The UNC coarse threads with Class 2A fit provide superior holding power in both metallic and non-metallic materials, while the Phillips No. 2 drive enables efficient installation without specialized tools. The 100° countersink angle ensures proper seating in standard chamfered holes, preventing protrusion in precision applications. These fully threaded inch-system fasteners are engineered to solve common industrial challenges including material fatigue, environmental degradation, and installation efficiency.

Specification Summary & Compliance

This 8-32 x 3/4" flat head Phillips screw maintains precise dimensional accuracy with Class 2A thread fit per UNC standards and inch system measurements. Manufacturing conforms to ASME B18.6.3 specifications for dimensional consistency and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) restrictions on hazardous substances and REACH (EC 1907/2006) regulations for chemical safety, ensuring suitability for global industrial markets and environmentally conscious manufacturing operations.