S-92245A657 3/8"-24 x 1 1/2" FF-S-85, MS35308-364 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.
- High tensile strength of 70,000 psi ensures reliable performance under significant mechanical stress.
- Precise Class 2A thread fit provides consistent engagement and reduces the risk of cross-threading during installation.
- External hex drive and hex head design allows for easy installation and removal with standard tools.
- Fine UNF thread spacing offers improved vibration resistance and better clamping force in dynamic applications.
- Partially threaded shank enables secure fastening where unthreaded grip length is required.
- Compliance with RoHS 3 and REACH ensures environmental safety and regulatory adherence for global supply chains.
Professional Applications & Engineering Value
This 3/8"-24 UNF hex head screw is engineered to address critical challenges in industrial assembly, such as vibration loosening and corrosion-induced failure. The passivated 18-8 stainless steel material provides excellent resistance to rust and chemical exposure, making it suitable for outdoor equipment, marine hardware, and food processing machinery. Its fine thread (UNF) and Class 2A thread fit ensure tight, secure connections that maintain integrity under cyclic loading. The external hex drive facilitates quick installation with common wrenches, reducing assembly time in high-volume production lines. These features make it an optimal choice for applications demanding durability, precision, and long-term reliability in demanding environments.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit per UNF standards, ensuring dimensional accuracy and interchangeability. It meets Fed. Spec. FF-S-85 (MS35308-364) for material and manufacturing consistency. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in regulated industries without hazardous substance concerns.
