S-90471A441 10-32 x 5/16" ASME B18.6.3 Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc-plated steel construction for extended service life in demanding environments
• High mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness for reliable load-bearing performance
• Precise thread engagement with Class 2A thread fit ensuring consistent fastening and vibration resistance
• Optimized flush mounting with standard 100° countersink angle for seamless surface integration
• Enhanced drive stability with Phillips No. 2 drive style preventing cam-out during installation
• Fine thread spacing providing superior holding power and improved adjustment precision
• Full regulatory compliance meeting ASME B18.6.3, RoHS 3, and REACH standards for global industrial applications

Professional Applications & Engineering Value

These 10-32 UNF flat head screws deliver exceptional engineering value through their zinc-plated steel construction and fine thread spacing, specifically designed to address common industrial fastening challenges. The combination of 60,000 psi tensile strength and Rockwell B70 hardness ensures reliable performance in high-stress applications where vibration resistance and structural integrity are critical. The fully threaded design with Class 2A thread fit provides maximum engagement surface area, preventing loosening in machinery, electronic enclosures, and precision equipment. The standard 100° countersink angle allows for flush mounting in manufactured components, while the Phillips drive system offers efficient installation in automated assembly processes. These industrial-grade fasteners are engineered to maintain clamping force and dimensional stability across temperature variations and mechanical stresses.

Specification Summary & Compliance

These flat head screws feature precision 10-32 UNF threads with Class 2A thread fit tolerance for consistent engagement. Manufacturing complies with ASME B18.6.3 specifications for dimensional accuracy and performance standards. The products are 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.