S-92245A626 3/8"-16 x 1 1/4" FF-S-85, MS35307-362 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
- Exceptional tensile strength rated at 70,000 PSI for reliable performance in heavy-duty applications
- Precise Class 2A thread fit ensures smooth installation and secure fastening with UNC coarse threads
- External hex drive design provides maximum torque transfer and easy installation with standard tools
- Partial threading configuration offers optimal grip strength while reducing material usage
- Compliance with major standards including Fed. Spec. FF-S-85, RoHS 3, and REACH for guaranteed quality
- Rockwell B74 hardness maintains structural integrity under repeated stress and vibration
Professional Applications & Engineering Value
This 3/8"-16 UNC hex head screw delivers exceptional engineering value through its passivated 18-8 stainless steel construction, specifically designed to address common industrial challenges. The corrosion-resistant properties make it ideal for marine, chemical processing, and outdoor applications where environmental factors degrade ordinary fasteners. The coarse UNC threading provides superior holding power in softer materials and resists vibration-induced loosening. With partial threading and external hex drive, installation efficiency is maximized while maintaining precise clamping force control. These hex head screws are engineered for machinery assembly, structural frameworks, and equipment maintenance where 70,000 PSI tensile strength ensures long-term reliability under dynamic loads.
Specification Summary & Compliance
This fastener maintains Class 2A thread fit tolerance according to UNC standards, ensuring precise dimensional accuracy for consistent performance. Manufacturing complies with Fed. Spec. FF-S-85 (MS35307-362) requirements, guaranteeing uniform quality and interchangeability. The screw meets RoHS 3 (2015/863/EU) compliance for restricted substance control and REACH (EC 1907/2006) regulations for chemical safety. With Rockwell B74 hardness and standardized coarse thread spacing, this hex head screw delivers reliable mechanical performance across industrial applications.
