S-96877A123 2-56 x 3/8" FF-S-92, QQ-P-35, MS51959-5, 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 for long-lasting performance in harsh environments
- High tensile strength of 70,000 psi ensures reliable fastening in demanding industrial applications
- Fully threaded design provides maximum grip and uniform load distribution across the entire length
- Standard 82° countersink angle allows for flush mounting and clean aesthetic finishes
- Class 2A thread fit offers excellent assembly compatibility while maintaining secure fastening
- Phillips drive with No. 1 size enables efficient installation with common tools
- Comprehensive compliance with RoHS 3 and REACH regulations ensures environmental and safety standards
Professional Applications & Engineering Value
This 2-56 UNC flat head Phillips screw delivers exceptional engineering value through its passivated 18-8 stainless steel composition and precision manufacturing. The coarse UNC threading combined with Class 2A thread fit ensures rapid assembly while maintaining vibration resistance in machinery, electronics, and structural applications. The fully threaded design maximizes surface contact for superior load distribution, preventing loosening under dynamic stresses. The 82° flat head profile creates seamless flush mounting in countersunk holes, ideal for aerospace components, industrial equipment, and commercial assemblies where both performance and aesthetics matter. Meeting multiple federal and industry specifications, this fastener provides reliable corrosion-resistant performance in challenging environments where material integrity is critical.
Specification Summary & Compliance
This fastener features precision 2-56 UNC coarse threads with Class 2A thread fit tolerances, ensuring consistent mating with standard components. Manufacturing complies with Fed. Spec. FF-S-92, QQ-P-35, MS51959-5, and SAE AMS2700 standards, guaranteeing dimensional accuracy and material quality. The product is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for hazardous substance restrictions.
