S-96877A121 2-56 x 5/16" FF-S-92, QQ-P-35, MS51959-4, 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 demanding mechanical loads
- Fully threaded design provides maximum grip and uniform load distribution across the entire fastener length
- Class 2A thread fit with UNC coarse spacing enables quick assembly and reduces cross-threading risks
- 82° countersink angle with standard flat head profile creates flush surface finishes for streamlined applications
- Phillips drive (No. 1 size) offers familiar, efficient installation with standard driving tools
- Comprehensive regulatory compliance including RoHS 3 and REACH for global market acceptance
Professional Applications & Engineering Value
These 2-56 UNC flat head screws deliver exceptional engineering value in precision assembly applications where surface flushness and corrosion resistance are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making them ideal for electronics enclosures, aerospace components, and marine equipment. The combination of fully threaded design and Class 2A thread fit ensures consistent clamping force and vibration resistance, while the 82° countersink angle allows for seamless integration into tapered recesses. These Phillips drive screws meet rigorous Fed. Spec. FF-S-92 and SAE AMS2700 standards, providing reliable performance in regulated industries where material traceability and specification compliance are mandatory requirements.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread spacing for consistent performance. These flat head screws comply with multiple industry specifications including Fed. Spec. FF-S-92, QQ-P-35, MS51959-4, and SAE AMS2700. Environmental compliance is assured through RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) certifications, making them suitable for global industrial applications requiring verified material safety and regulatory adherence.
