S-96877A772 1/4"-28 x 1 3/4" FF-S-92, QQ-P-35, MS24693-C304, NASM24693, 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 environments and extended service life.
- Exceptional tensile strength rated at 70,000 psi for reliable load-bearing performance in demanding applications.
- Precise Class 2A thread fit ensures smooth installation and secure fastening with consistent engagement.
- Fully threaded design provides maximum grip along the entire length for enhanced holding power.
- Standard 100° countersink angle allows for flush mounting, reducing snagging and improving aesthetics.
- Phillips drive (No. 3) offers common tool compatibility and efficient installation with standard drivers.
- Comprehensive compliance with major industry standards including Fed. Spec. FF-S-92, MS24693, and RoHS 3/REACH for assured quality and environmental safety.
Professional Applications & Engineering Value
This 1/4-28 UNF flat head Phillips machine screw delivers critical engineering advantages where corrosion resistance and precision fastening are paramount. The passivated 18-8 stainless steel material effectively combats oxidation and chemical exposure, making it suitable for marine, automotive, and food processing equipment. Its UNF fine thread and Class 2A fit provide superior vibration resistance and precise alignment in assemblies requiring repeated disassembly. The fully threaded configuration ensures uniform stress distribution, while the flat head with 100° countersink creates seamless surfaces in precision machinery, electronic enclosures, and structural frameworks where protrusions are unacceptable.
Specification Summary & Compliance
Manufactured to exacting Class 2A thread fit tolerances with UNF fine thread (1/4"-28) specifications. Complies with Fed. Spec. FF-S-92, QQ-P-35, MS24693, NASM24693, and SAE AMS2700 standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. Dimensions include 1-3/4" length, 0.507" head diameter, and standard flat head profile with Phillips No. 3 drive.
