S-96877A200 4-40 x 1/4" FF-S-92, QQ-P-35, MS51959-13, SAE AMS2700 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments
• High tensile strength of 70,000 PSI ensures reliable fastening under demanding mechanical loads
• Standard 82° countersink angle and flat head design provides a flush, secure fit for streamlined assemblies
• Fully threaded coarse UNC pattern delivers maximum grip and faster installation in various materials
• Precise Class 2A thread fit guarantees consistent engagement and reduces cross-threading risks
• No. 1 Phillips drive offers common tool compatibility and efficient torque transfer during installation
• Comprehensive regulatory compliance including RoHS 3 and REACH for global market acceptance

Professional Applications & Engineering Value

These 4-40 UNC flat head Phillips screws are engineered to address critical fastening challenges in industrial settings. The passivated 18-8 stainless steel provides superior resistance to oxidation and chemical exposure, making them ideal for electronics, aerospace components, and marine equipment where environmental durability is paramount. The combination of coarse threading and full thread engagement ensures rapid installation and vibration-resistant connections in sheet metal, plastics, and machined parts. The 82° countersink allows for seamless surface finishing, eliminating protrusions in precision assemblies. These screws deliver reliable performance in applications requiring 70,000 PSI tensile strength while maintaining compliance with stringent industry specifications.

Specification Summary & Compliance

Manufactured to exact Class 2A thread fit tolerances per UNC standards, these screws meet Fed. Spec. FF-S-92, QQ-P-35, MS51959-13, and SAE AMS2700 requirements. They are fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and international market suitability. The right-hand coarse thread configuration with 1/4" length provides optimal performance in standardized industrial applications.