S-96877A742 1/4"-28 x 3/4" FF-S-92, QQ-P-35, MS51960-84, 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 fastening under significant mechanical stress
• Fine UNF thread with Class 2A fit provides precise, secure engagement and vibration resistance
• Fully threaded design maximizes grip and load distribution across the entire length
• Standard 82° countersink angle allows for flush mounting and streamlined surface profiles
• Phillips No. 3 drive offers efficient installation with common tools, reducing assembly time
• Compliance with major standards including Fed. Spec. FF-S-92 and RoHS 3, ensuring quality and environmental safety

Professional Applications & Engineering Value

This 1/4"-28 UNF flat head screw is engineered to address critical fastening challenges in demanding sectors. The passivated 18-8 stainless steel provides exceptional resistance to oxidation and chemical exposure, making it suitable for marine, automotive, and food processing equipment where durability is paramount. Its fine thread spacing and Class 2A thread fit deliver superior holding power and minimize loosening under dynamic loads. The fully threaded design ensures consistent clamping force, while the 82° countersink angle facilitates seamless integration into assemblies requiring aerodynamic or hygienic surfaces. Ideal for applications in aerospace (meeting MS51960-84) and general industrial machinery, this screw combines reliability with regulatory compliance to streamline procurement and maintenance workflows.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including Class 2A thread fit for consistent accuracy and UNF fine thread specifications. It conforms to Fed. Spec. FF-S-92, QQ-P-35, and MS51960-84, ensuring interoperability and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated industries without hazardous substances.