S-93085A614 4-40 x 3/8" FF-S-92, QQ-P-35, MS24693-4B, 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 Black-Oxide coated 18-8 Stainless Steel, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable fastening under demanding mechanical loads.
- Rockwell B70 hardness provides excellent wear resistance and long-term durability.
- Class 2A thread fit with UNC coarse threading for easy installation and secure, vibration-resistant connections.
- Fully threaded design offers maximum grip and uniform stress distribution across the entire length.
- Standard 100° countersink angle allows for a flush, low-profile finish in assembled components.
- Compliance with multiple industry standards including Fed. Spec. FF-S-92 and SAE AMS2700, ensuring consistent quality and interchangeability.
Professional Applications & Engineering Value
This 4-40 UNC flat head screw is engineered to address critical fastening challenges in industrial and aerospace applications. The Black-Oxide 18-8 Stainless Steel construction provides exceptional resistance to oxidation and chemical exposure, making it suitable for outdoor or corrosive settings. The Phillips drive (No. 1 size) ensures efficient installation with common tools, while the coarse UNC threads and Class 2A fit reduce cross-threading risks and maintain tight tolerances in high-vibration environments. Fully threaded for uniform load-bearing, these screws are ideal for securing panels, electronic enclosures, and machinery components where a flush surface and reliable performance are paramount.
Specification Summary & Compliance
This screw features a 3/8" length with UNC coarse threads and Class 2A thread fit for precise dimensional accuracy. It conforms to specifications including Fed. Spec. FF-S-92, QQ-P-35, MS24693-4B, NASM24693, and SAE AMS2700. The product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.
