S-91771A257 10-24 x 3" 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, ideal for harsh industrial environments
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B80 hardness for reliable load-bearing applications
• Precise thread engagement with Class 2A thread fit and UNC coarse threads ensuring secure fastening and vibration resistance
• Optimized flush mounting with standard 82° countersink angle for seamless surface integration and professional finishes
• Enhanced installation efficiency with Phillips No. 2 drive providing secure tool engagement and reduced cam-out risk
• Versatile partial threading allowing precise clamping force control across the 3" length for various material thicknesses
• Regulatory compliance assurance meeting ASME B18.6.3 manufacturing standards and environmental regulations

Professional Applications & Engineering Value

These 10-24 UNC flat head screws deliver critical engineering solutions where corrosion resistance and structural integrity are paramount. The passivated 18-8 stainless steel construction provides exceptional protection against oxidation and chemical exposure, making them ideal for marine equipment, food processing machinery, and outdoor industrial applications. The partially threaded design enables precise clamping control when securing layered materials or components of varying thicknesses. With 80000 psi tensile strength and standardized 82° countersink angle, these flat head screws maintain reliable fastening under dynamic loads while ensuring flush surface mounting for safety and aesthetics. The Phillips No. 2 drive system facilitates efficient installation in high-volume assembly operations, reducing installation time and tool wear.

Specification Summary & Compliance

Manufactured to exacting ASME B18.6.3 specifications with Class 2A thread fit tolerance for consistent engagement. Features 10-24 UNC coarse threads with right-hand orientation and partial threading up to 1½" minimum thread length. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across regulated industries.