S-93085A619 2-56 x 1/8" FF-S-92, QQ-P-35, MS24693-16B, NASM24693, SAE AMS2700 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with Black-Oxide coated 18-8 Stainless Steel for reliable performance in harsh industrial environments
• Superior mechanical strength delivering 70,000 psi tensile strength and Rockwell B70 hardness for heavy-duty fastening applications
• Precision thread engagement with Class 2A UNC coarse threads ensuring secure, vibration-resistant connections
• Optimized flush mounting featuring standard 100° countersink angle for seamless surface integration
• Enhanced installation efficiency through Phillips No. 1 drive design providing positive torque control
• Full-threaded reliability offering maximum grip length and uniform load distribution
• Comprehensive compliance meeting multiple military and aerospace specifications for quality assurance

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 Black-Oxide 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 fully threaded design with coarse UNC threads ensures maximum holding power in thin materials and soft substrates, while the standard 100° countersink angle guarantees proper seating without protrusion. The Phillips No. 1 drive system enables efficient installation in confined spaces, reducing assembly time while maintaining torque integrity. These screws effectively solve common industrial challenges including vibration loosening, material compatibility issues, and regulatory compliance requirements.

Specification Summary & Compliance

Manufactured to precise dimensional standards with Class 2A thread fit and UNC coarse thread profile. Complies with multiple industry specifications including Fed. Spec. FF-S-92, QQ-P-35, MS24693-16B, NASM24693, and SAE AMS2700. Meets environmental regulations including RoHS 3 (2015/863/EU) compliance and REACH (EC 1907/2006) compliance for restricted substances. Features right-hand threading and standard flat head profile with 0.172" head diameter and 1/8" length for consistent performance across industrial applications.