S-96877A745 1/4"-28 x 1 1/4" FF-S-92, QQ-P-35, MS51960-87, SAE AMS2700 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• High tensile strength of 70,000 psi provides dependable load-bearing capacity for demanding industrial applications.
• Precise Class 2A thread fit guarantees smooth installation and secure fastening with minimal risk of cross-threading.
• Fully threaded design offers maximum grip length and uniform stress distribution across the entire fastener.
• 82° countersink angle and flat head profile enable flush mounting for streamlined surfaces and reduced snag hazards.
• Phillips #3 drive compatibility ensures widespread tool accessibility and efficient installation in various settings.
• Compliance with multiple industry standards including Fed. Spec. FF-S-92 and SAE AMS2700, ensuring consistent quality and interoperability.

Professional Applications & Engineering Value

This 1/4-28 UNF flat head screw is engineered to address critical challenges in industrial assembly, where corrosion resistance, mechanical strength, and precise fit are paramount. The passivated 18-8 stainless steel material provides excellent protection against oxidation and chemical exposure, making it ideal for applications in marine, automotive, and food processing equipment. The fine UNF thread and Class 2A fit ensure tight, vibration-resistant connections in machinery and structural components, reducing maintenance needs. Its fully threaded design maximizes engagement in thin materials or pre-tapped holes, while the 82° countersink allows for seamless integration into angled surfaces. These features collectively enhance assembly efficiency, prolong service life, and minimize downtime in industrial screw applications.

Specification Summary & Compliance

This fastener adheres to precise dimensional tolerances with a Class 2A thread fit and UNF fine thread specification (1/4"-28). It conforms to rigorous manufacturing standards including Fed. Spec. FF-S-92, QQ-P-35, MS51960-87, and SAE AMS2700. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it meets global environmental and safety requirements for hazardous substance restrictions.