S-92245A956 3/8"-24 x 2 1/2" FF-S-85, MS35308-368 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 environments and long-term reliability
- High tensile strength of 70,000 psi ensures secure, durable fastening under demanding mechanical loads
- Precise Class 2A thread fit provides smooth assembly and consistent engagement for reduced installation time
- External hex drive design allows for easy installation and removal with standard tools, improving maintenance efficiency
- Fine UNF threading offers enhanced vibration resistance and superior clamping force in critical applications
- Partial threading enables optimal grip on specific material thicknesses while minimizing thread damage
- Full compliance with Fed. Spec. FF-S-85 MS35308-368 guarantees consistent quality and interchangeability for government and industrial projects
Professional Applications & Engineering Value
This 3/8"-24 UNF hex head screw is engineered to address common industrial challenges such as corrosion-induced failure and vibration loosening. The passivated 18-8 stainless steel material provides exceptional resistance to rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing equipment. Its fine thread design and Class 2A thread fit ensure tight, reliable connections in machinery, structural assemblies, and precision instruments where vibration resistance is critical. The external hex drive facilitates quick servicing, reducing downtime in maintenance-heavy environments like manufacturing plants and transportation infrastructure. With a 2 1/2" length and partial threading, it offers versatile fastening solutions for varied material thicknesses without compromising strength.
Specification Summary & Compliance
This screw features a 3/8"-24 UNF fine thread with Class 2A tolerance for precise fit, a tensile strength of 70,000 psi, and hardness of Rockwell B74. It is manufactured to meet Fed. Spec. FF-S-85 (MS35308-368) and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe and sustainable use across global industries.