S-92703A414 1/4"-20 x 1 1/4" ASME B18.3 Stainless Steel Torx Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish for extended service life in harsh industrial environments
• Enhanced torque transmission and reduced cam-out with Torx Plus IP27 drive system for secure, efficient installation
• Reliable thread engagement through Class 2A thread fit and UNC coarse threading for consistent performance in various materials
• High mechanical strength with 60,000 psi tensile strength and Rockwell B70 hardness to withstand demanding applications
• Flush mounting capability with 82° countersink angle and standard flat head profile for clean, aerodynamic surface finishes
• Full threading versatility providing maximum grip along the entire 1-1/4" length for superior holding power
• Regulatory compliance assurance meeting ASME B18.3 standards and environmental regulations including RoHS 3 and REACH

Professional Applications & Engineering Value

These 1/4-20 UNC flat head screws deliver exceptional engineering value in industrial applications where corrosion resistance, precise installation, and reliable fastening are critical. The 18-8 stainless steel material combined with passivated finish provides superior protection against chemical exposure and environmental factors, making them ideal for machinery, equipment assembly, and outdoor applications. The Torx Plus drive system eliminates common installation issues like cam-out, ensuring proper seating and reducing tool wear. With fully threaded design and Class 2A thread fit, these screws maintain consistent clamping force in metal fabrication, automotive components, and industrial machinery where vibration resistance and long-term reliability are paramount.

Specification Summary & Compliance

This flat head screw features precise dimensional accuracy with Class 2A thread fit per UNC standards and 82° countersink angle for proper seating. Manufacturing complies with ASME B18.3 specifications ensuring dimensional consistency and performance reliability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions. All measurements follow the inch system with standardized thread geometry for compatibility with existing industrial applications and tooling.