S-92245A604 5/16"-24 x 1 1/4" FF-S-85, MS35308-336 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 demanding loads
- Precise Class 2A thread fit provides smooth assembly and consistent engagement in fine-thread applications
- External hex drive design allows for easy installation and removal with standard tools
- Partial threading offers optimal grip and clamping force for specific joint requirements
- Compliance with Fed. Spec. FF-S-85 (MS35308-336) guarantees consistent quality and interchangeability
- Rockwell B74 hardness delivers excellent durability and resistance to wear
Professional Applications & Engineering Value
This 5/16"-24 UNF hex head screw is engineered to address critical fastening challenges in industrial settings where corrosion resistance and high tensile strength are paramount. The passivated 18-8 stainless steel material provides exceptional protection against rust and chemical exposure, making it suitable for outdoor, marine, and chemical processing applications. Its fine thread spacing and Class 2A thread fit ensure secure, vibration-resistant connections in machinery, equipment assembly, and structural frameworks. The external hex drive facilitates quick installation with common wrenches, reducing assembly time and labor costs. Ideal for industrial hex screw applications requiring reliable, partially threaded fasteners that maintain integrity under stress and environmental factors.
Specification Summary & Compliance
This screw features a 5/16"-24 UNF thread with Class 2A dimensional accuracy, ensuring precise fit and performance. It complies with Fed. Spec. FF-S-85 (MS35308-336) for manufacturing consistency, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming its safety and regulatory adherence for global industrial use.
