S-96877A732 1/4"-20 x 2 1/2" FF-S-92, QQ-P-35, MS51959-89, SAE AMS2700 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
• High tensile strength of 70,000 PSI ensures reliable performance under significant mechanical stress
• Precise Class 2A thread fit guarantees smooth assembly and secure fastening in UNC coarse thread applications
• Optimized 82° countersink angle provides a flush, professional finish that reduces snagging and improves safety
• Phillips No. 3 drive design offers efficient installation with common tools, minimizing slippage and damage
• Partial threading allows for controlled clamping force and secure grip in specific material thicknesses
• Compliance with major industry standards including Fed. Spec. FF-S-92 and SAE AMS2700 ensures consistent quality and interoperability

Professional Applications & Engineering Value

This 1/4"-20 UNC flat head screw is engineered to address critical challenges in industrial assembly and machinery. The passivated 18-8 stainless steel provides exceptional resistance to oxidation and chemical exposure, making it suitable for applications in marine, chemical processing, and outdoor equipment where durability is paramount. The flat head profile with 82° countersink ensures a seamless surface finish, reducing aerodynamic drag in automotive or aerospace components and preventing worker injury from protruding hardware. With its coarse UNC threading and Phillips drive, it enables rapid installation in metal, plastic, and composite materials, streamlining production lines while maintaining the 70,000 PSI tensile strength required for high-stress connections. These partially threaded screws are ideal for securing panels, brackets, and structural elements where vibration resistance and long-term reliability are essential.

Specification Summary & Compliance

This screw features precise Class 2A thread fit and UNC coarse threading with a diameter of 1/4"-20, ensuring dimensional accuracy per industry standards. It conforms to Fed. Spec. FF-S-92, QQ-P-35, MS51959-89, and SAE AMS2700 manufacturing specifications. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial supply chains.