S-91099A320 10-24 x 1/2" ASME B18.6.3 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction for long-lasting performance in harsh environments
• Exceptional tensile strength rated at 80,000 psi ensures reliable fastening under heavy loads and vibration
• Precision thread fit with Class 2A UNC coarse threads provides consistent engagement and reduced cross-threading risk
• Optimized flush mounting through undercut flat head design with 82° countersink angle for seamless surface integration
• Enhanced drive stability with Phillips No. 2 drive system prevents cam-out during installation
• Full threading coverage along the entire 1/2" length maximizes grip strength and load distribution
• Regulatory compliance assurance meeting ASME B18.6.3, RoHS 3, and REACH standards for quality and safety

Professional Applications & Engineering Value

These 10-24 UNC flat head screws deliver exceptional engineering value for industrial applications where corrosion resistance and precision fit are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making them ideal for marine, food processing, and outdoor equipment applications. The undercut flat head profile with 82° countersink angle ensures flush mounting without protrusion, while the Class 2A thread fit with coarse UNC threading enables quick assembly and disassembly in high-vibration environments. The combination of 80,000 psi tensile strength and Rockwell B80 hardness guarantees reliable performance in structural applications where fastener failure is not an option. The fully threaded design maximizes contact surface area, distributing stress evenly across the entire fastener length for enhanced joint integrity.

Specification Summary & Compliance

These industrial fasteners feature precision Class 2A thread fit with UNC coarse threading (10-24) and maintain dimensional accuracy per ASME B18.6.3 specifications. The manufacturing process ensures consistent 82° countersink angle and proper undercut flat head profile for optimal performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards confirms environmental responsibility and safe usage across various industrial sectors.