S-99468A143 8-32 x 1/2" ASME B18.6.3 Aluminum Slotted Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional strength-to-weight ratio from 2024 aluminum construction, providing 50,000 psi tensile strength while remaining lightweight for demanding applications
• Precision thread engagement with Class 2A UNC coarse threads ensuring reliable fastening and reduced cross-threading risk in industrial environments
• Optimized flush mounting with standard 82° countersink angle and flat head design for seamless surface integration and improved aesthetics
• Superior durability with Rockwell B55 hardness maintaining structural integrity under vibration and repeated use conditions
• Full-threaded design delivering maximum grip length and holding power across the entire 1/2" fastener length
• Industry-standard compliance meeting ASME B18.6.3 specifications for dimensional accuracy and performance reliability
• Environmentally responsible manufacturing with RoHS 3 and REACH compliance for safe use in regulated industries

Professional Applications & Engineering Value

These 2024 aluminum flat head screws provide an optimal solution for weight-sensitive applications where high tensile strength and corrosion resistance are critical. The 8-32 UNC coarse thread configuration ensures rapid installation and secure fastening in materials where fine threads might strip or fail. Engineered with a standard 82° countersink angle, these slotted drive screws create flush surfaces in precision assemblies, eliminating protrusions that could interfere with moving components. The fully threaded design maximizes thread engagement in thin materials while the Class 2A thread fit maintains consistent performance across production runs. Ideal for aerospace components, electronic enclosures, and transportation equipment where lightweight aluminum fasteners must withstand vibration and mechanical stress without compromising structural integrity.

Specification Summary & Compliance

Manufactured to exact ASME B18.6.3 standards with Class 2A thread fit tolerance for consistent performance. Features 8-32 UNC coarse threads with right-hand direction and standard flat head profile. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The 2024 aluminum construction delivers 50,000 psi tensile strength with Rockwell B55 hardness, ensuring reliable performance in industrial fastening applications.