S-99468A139 8-32 x 1/4" ASME B18.6.3 Aluminum Slotted Flat Head Screws

Key Features & Benefits at a Glance

• High tensile strength of 50,000 psi ensures reliable performance in demanding industrial applications, reducing the risk of failure under load.
• 2024 aluminum construction offers excellent strength-to-weight ratio, ideal for applications where weight reduction is critical without sacrificing durability.
• Rockwell B55 hardness provides superior resistance to wear and deformation, extending the screw's service life in high-stress environments.
• Fully threaded design with UNC coarse spacing allows for faster installation and improved grip in various materials, enhancing assembly efficiency.
• 82° countersink angle with undercut flat head ensures a flush, secure fit that minimizes protrusion and reduces the chance of snagging in machinery.
• Class 2A thread fit guarantees consistent, precise engagement with nuts and tapped holes, reducing the likelihood of cross-threading and improving reliability.
• Compliance with ASME B18.6.3, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations, providing peace of mind for global supply chains.

Professional Applications & Engineering Value

These 8-32 UNC flat head screws are engineered to address common challenges in industrial settings, such as the need for lightweight yet robust fasteners that resist corrosion and maintain integrity under stress. Made from 2024 aluminum, they offer an optimal balance of strength and weight, making them ideal for aerospace, automotive, and electronics assemblies where every gram counts. The slotted drive and fully threaded design simplify installation in tight spaces, while the undercut flat head with an 82° countersink angle ensures a seamless finish that prevents interference in precision equipment. By combining high tensile strength and Rockwell B55 hardness, these screws reduce maintenance needs and enhance the longevity of critical components, supporting efficient production lines and reliable end-products.

Specification Summary & Compliance

This product features precise Class 2A thread fit and adheres to UNC coarse thread spacing standards for consistent performance. It meets ASME B18.6.3 specifications for dimensional accuracy and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for international industrial applications.