S-96877A224 4-40 x 3/4" FF-S-92, QQ-P-35, MS51959-19, SAE AMS2700 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
- High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding mechanical loads.
- Fully threaded coarse UNC design provides faster installation and enhanced grip in a wide range of materials.
- Precise Class 2A thread fit guarantees consistent engagement and reduces the risk of cross-threading during assembly.
- Standard 82° flat head profile allows for a flush, low-profile finish that improves safety and aesthetics.
- Phillips drive (No. 1) offers widespread tool compatibility and efficient torque transfer for streamlined operations.
- Compliance with multiple industry standards including Fed. Spec. FF-S-92 and SAE AMS2700, ensuring quality and interoperability.
Professional Applications & Engineering Value
This 4-40 UNC flat head screw is engineered to address critical challenges in precision assembly and corrosive environments. The passivated 18-8 stainless steel provides exceptional resistance to oxidation and chemical exposure, making it suitable for electronics, aerospace, and marine applications where material integrity is paramount. The coarse thread and fully threaded design enhance pull-out strength in softer substrates, while the flat head with an 82° countersink ensures a secure, flush fit that minimizes protrusion risks. With a Phillips drive, it supports high-speed installation without sacrificing torque control, reducing assembly time and improving production efficiency in automated or manual settings.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNC standards, ensuring dimensional accuracy and reliable performance. It meets stringent specifications including Fed. Spec. FF-S-92, QQ-P-35, MS51959-19, and SAE AMS2700, and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for global markets and environmentally conscious operations.
