S-96877A401 8-32 x 5/16" FF-S-92, QQ-P-35, MS51959-42, SAE AMS2700 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from passivated 18-8 stainless steel, ideal for harsh environments and long-term reliability.
• High tensile strength of 70,000 psi ensures secure, durable fastening under significant mechanical stress.
• Precise Class 2A thread fit guarantees smooth installation and consistent engagement, reducing assembly time and risk of cross-threading.
• Standard 82° countersink angle allows for a flush, professional finish in countersunk holes, minimizing protrusion and improving aesthetics.
• Full threading along the 5/16" length provides maximum grip and holding power across the entire fastener.
• Phillips drive (No. 2 size) offers widespread tool compatibility and efficient driving with common screwdrivers or bits.
• Compliance with multiple industry standards (e.g., Fed. Spec. FF-S-92, RoHS 3, REACH) ensures quality, safety, and environmental responsibility.

Professional Applications & Engineering Value

This 8-32 UNC flat head screw is engineered to address common industrial challenges, such as corrosion and mechanical failure in demanding applications. Made from passivated 18-8 stainless steel, it resists rust and chemical exposure, making it ideal for use in marine, automotive, and electronic assemblies where environmental factors are a concern. The coarse UNC thread spacing and Class 2A thread fit ensure quick, reliable installation in various materials, reducing the risk of stripping and improving assembly efficiency. With a flat head profile and 82° countersink angle, it sits flush in pre-drilled holes, providing a smooth surface that prevents snagging and enhances safety in machinery and equipment. Fully threaded for maximum retention, this screw delivers consistent performance in high-strength fastening scenarios, from securing panels to mounting components in industrial and aerospace settings.

Specification Summary & Compliance

This screw features a Class 2A thread fit with UNC coarse threads (8-32 size) and a length of 5/16", ensuring dimensional accuracy and ease of use. It complies with Fed. Spec. FF-S-92, QQ-P-35, MS51959-42, and SAE AMS2700 for manufacturing consistency. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.