S-96877A747 1/4"-28 x 1 3/4" FF-S-92, QQ-P-35, MS51960-89, 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 or moisture-prone environments.
• High tensile strength of 70,000 psi ensures reliable, long-lasting fastening under demanding mechanical loads.
• Precise Class 2A thread fit provides smooth assembly and secure engagement in fine-threaded applications.
• 82° countersink angle and flat head design allows for a flush, professional finish, reducing snagging and improving aesthetics.
• Full threading along the 1-3/4" length offers maximum grip and adjustability in a variety of material thicknesses.
• Phillips No. 3 drive ensures common tool compatibility and efficient installation with reduced cam-out risk.
• Compliance with multiple industry standards including Fed. Spec. FF-S-92 and SAE AMS2700 guarantees consistent quality and performance.

Professional Applications & Engineering Value

This 1/4"-28 UNF flat head screw is engineered to address critical fastening challenges in precision industries. The passivated 18-8 stainless steel provides excellent resistance to corrosion and oxidation, making it suitable for applications in marine, chemical processing, and outdoor equipment where environmental durability is paramount. The fine UNF threading and Class 2A fit ensure tight, vibration-resistant connections in machinery, aerospace components, and electronic enclosures, reducing the risk of loosening over time. The flat head with 82° countersink is ideal for assemblies requiring a smooth surface profile, such as in automotive panels or industrial fixtures, enhancing both safety and finish quality. Its full compliance with stringent specifications like Fed. Spec. FF-S-92 and SAE AMS2700 underscores its reliability for OEM and MRO uses, delivering consistent performance in high-stakes environments.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including a Class 2A thread fit for consistent engagement and UNF fine threading with a 1/4"-28 size. It meets key manufacturing and material specifications such as Fed. Spec. FF-S-92, QQ-P-35, MS51960-89, and SAE AMS2700. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and safe for use in regulated industries worldwide.