S-92210A243 10-24 x 9/16" ASME B18.3, ASTM F879 Stainless Steel Hex Drive Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength with a 70,000 psi tensile strength and Rockwell B55 hardness, providing reliable performance under high-stress conditions.
• Precise and secure fastening achieved through Class 3A thread fit and UNC coarse threading, minimizing the risk of loosening and ensuring consistent engagement.
• Efficient installation and flush seating enabled by the hex drive and 82° countersink angle, allowing for quick assembly and a smooth surface finish.
• Full threading along the 9/16" length offers maximum grip and versatility in various material thicknesses.
• Compliance with major industry standards including ASME B18.3, RoHS 3, and REACH, ensuring product safety and regulatory acceptance.
• Durable and maintenance-free operation due to the robust material and finish, reducing downtime and replacement costs.

Professional Applications & Engineering Value

These 10-24 UNC flat head screws are engineered to address critical fastening challenges in demanding industrial settings. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to corrosion and oxidation, making them ideal for applications in chemical processing, marine environments, and outdoor equipment. The Class 3A thread fit and coarse UNC threading ensure tight, reliable connections that resist vibration-induced loosening, which is crucial in machinery, automotive assemblies, and structural frameworks. The hex drive design allows for high-torque installation with common tools, speeding up assembly lines while the 82° countersink angle ensures a flush fit, preventing protrusions that could interfere with moving parts or safety. Fully threaded for maximum holding power, these screws deliver consistent performance in industrial fastening applications where durability and precision are non-negotiable.

Specification Summary & Compliance

This product adheres to precise dimensional standards, including Class 3A thread fit for tight tolerances and UNC coarse threading (10-24 size) with full threading over a 9/16" length. It meets ASME B18.3 specifications for consistency and reliability. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and restricted substance control for global supply chains.