S-93085A019 2-56 x 5/16" FF-S-92, QQ-P-35, NAS662C2R5, 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 extended service life in harsh environments
- High tensile strength of 70,000 psi ensures reliable fastening performance under demanding mechanical loads
- Precise Class 2A thread fit provides smooth installation and secure mating with standard UNC threaded components
- Optimized 100° countersink angle delivers flush surface mounting for streamlined assemblies and improved aesthetics
- Full threading along the entire 5/16" length maximizes engagement area and distributes stress evenly
- Rockwell B70 hardness rating maintains thread integrity and prevents stripping during repeated installations
- Comprehensive regulatory compliance including RoHS 3 and REACH ensures environmental responsibility and global market acceptance
Professional Applications & Engineering Value
These 2-56 UNC flat head Phillips screws deliver exceptional engineering value across industrial applications where corrosion resistance, mechanical strength, and regulatory compliance are critical. The passivated 18-8 stainless steel construction provides superior protection against oxidation and chemical exposure, making these fully threaded screws ideal for electronics enclosures, precision instruments, and marine equipment. The standard 100° countersink angle ensures seamless flush mounting in machined surfaces, while the Phillips drive design offers familiar, efficient installation with standard tools. Meeting Fed. Spec. FF-S-92, QQ-P-35, NAS662C2R5, and SAE AMS2700 standards, these fasteners provide reliable performance in aerospace, defense, and industrial manufacturing applications where specification compliance is mandatory.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse threading for optimal engagement. Complies with Fed. Spec. FF-S-92, QQ-P-35, NAS662C2R5, and SAE AMS2700 manufacturing standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions. Features 70,000 psi tensile strength and Rockwell B70 hardness for consistent mechanical performance.
