S-93085A617 4-40 x 5/8" FF-S-92, QQ-P-35, MS24693-7B, 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 18-8 Stainless Steel construction, ideal for harsh industrial environments.
- High tensile strength of 70,000 psi ensures reliable, durable fastening under demanding loads.
- Rockwell B70 hardness provides excellent wear resistance and longevity in repetitive applications.
- Fully threaded design allows for maximum grip and uniform stress distribution along the entire length.
- Class 2A thread fit with UNC coarse threading offers easy assembly and consistent performance in various materials.
- Standard flat head profile with 100° countersink angle enables flush mounting for a smooth, professional finish.
- Compliance with multiple industry standards including Fed. Spec. FF-S-92 and SAE AMS2700, ensuring quality and reliability.
Professional Applications & Engineering Value
This 4-40 UNC flat head screw is engineered to address common industrial challenges such as corrosion, vibration loosening, and high-stress fatigue. Made from Black-Oxide 18-8 Stainless Steel, it provides exceptional resistance to rust and oxidation, making it suitable for outdoor, marine, and chemical processing equipment. The Phillips drive style and coarse UNC threads facilitate quick installation and secure holding in metals, plastics, and composites. With a fully threaded design and 70,000 psi tensile strength, it ensures even load distribution and prevents joint failure in machinery, aerospace assemblies, and electronic enclosures, reducing maintenance costs and downtime.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and UNC coarse threading for consistent performance. It meets stringent specifications including Fed. Spec. FF-S-92, QQ-P-35, MS24693-7B, NASM24693, and SAE AMS2700. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring environmental safety and regulatory adherence for global supply chains.
