S-96877A216 4-40 x 1/2" FF-S-92, QQ-P-35, MS51959-17, SAE AMS2700 Stainless Steel Phillips Flat Head Screws
Stainless Steel Phillips Flat Head Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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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
- Precise 82° countersink angle allows for flush mounting and a clean, professional finish
- Class 2A thread fit with UNC coarse threading provides easy installation and secure holding power
- Full threading along the 1/2" length maximizes grip and distribution of load across the entire fastener
- Compliance with multiple industrial standards including Fed. Spec. FF-S-92 and SAE AMS2700 guarantees consistent quality and performance
- RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence for global supply chains
Professional Applications & Engineering Value
These 4-40 UNC flat head Phillips screws are engineered to address common industrial challenges such as vibration loosening and corrosion in demanding applications. The passivated 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, making them suitable for electronics, machinery, and outdoor equipment. The coarse UNC thread and Class 2A fit ensure quick, secure assembly with reduced risk of cross-threading, while the flat head design with 82° countersink provides a smooth, flush surface that minimizes protrusion and improves safety. Ideal for use in aerospace, automotive, and manufacturing sectors where reliability and compliance with Fed. Spec. FF-S-92 and SAE AMS2700 are critical.
Specification Summary & Compliance
This product features a 4-40 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy. It is manufactured in compliance with specifications including Fed. Spec. FF-S-92, QQ-P-35, MS51959-17, and SAE AMS2700. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring it is free from hazardous substances and suitable for international industrial applications.
