S-92245A918 3/8"-16 x 3 3/4" FF-S-85, MS35307-373 Mil. Spec. 18-8 Stainless Steel Hex Head Screws
Mil. Spec. 18-8 Stainless Steel Hex 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 industrial environments and outdoor applications.
- High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and mechanical stress, reducing failure risks.
- Class 2A thread fit with UNC coarse threading provides easy installation and secure fastening in various materials.
- External hex drive design allows for quick, tool-friendly assembly and disassembly with standard wrenches.
- Partial threading offers optimal grip and clamping force for specific joint requirements.
- Compliance with Fed. Spec. FF-S-85 (MS35307-373) guarantees consistent quality and interchangeability in regulated applications.
- RoHS 3 and REACH compliant for environmentally responsible and safe use across global markets.
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw is engineered to address common industrial challenges, such as corrosion-induced degradation and mechanical fatigue. The passivated 18-8 stainless steel material provides excellent resistance to rust and chemicals, extending service life in demanding settings like marine, construction, and manufacturing equipment. With a coarse thread spacing and Class 2A fit, it ensures rapid, secure fastening in soft or brittle materials, reducing assembly time and improving structural integrity. The partial threading design minimizes stress concentration, making it ideal for applications where vibration resistance and precise clamping are critical. These features deliver reliable performance in heavy-duty industrial hex screws, supporting efficient maintenance and long-term durability.
Specification Summary & Compliance
This screw adheres to precise dimensional standards, including Class 2A thread fit and UNC thread type with a 3/8"-16 thread size. It meets Fed. Spec. FF-S-85 (MS35307-373) for manufacturing consistency and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.
