S-92245A627 3/8"-16 x 1 3/8" FF-S-85, MS35307-363 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, long-lasting fastening under heavy loads
- Class 2A thread fit provides consistent, easy assembly with standard UNC coarse threading
- External hex drive design allows for quick installation and removal with common tools
- Partially threaded shank offers optimal grip and clamping force in varied material thicknesses
- Compliance with Fed. Spec. FF-S-85 (MS35307-363) guarantees adherence to rigorous industrial standards
- RoHS 3 and REACH compliance ensures environmental safety and regulatory acceptance in global markets
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw delivers exceptional performance in demanding applications where corrosion resistance and mechanical strength are critical. Manufactured from passivated 18-8 stainless steel, it effectively combats rust and chemical degradation in marine, chemical processing, and outdoor equipment. The coarse UNC threading and Class 2A fit enable rapid installation with reduced cross-threading risks, while the partially threaded design provides superior vibration resistance in machinery and structural assemblies. With a 70,000 PSI tensile strength and Rockwell B74 hardness, it maintains integrity under stress, making it ideal for heavy-duty industrial hex screw applications requiring dependable, repeatable fastening solutions.
Specification Summary & Compliance
This screw features precise Class 2A thread fit with 3/8"-16 UNC coarse threading and a minimum thread length of 1". Dimensions include a 1 3/8" length, 9/16" head width, and 15/64" head height. It conforms to Fed. Spec. FF-S-85 (MS35307-363) manufacturing standards and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors.
