S-92245A600 5/16"-24 x 3/4" FF-S-85, MS35308-332 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 heavy loads and vibration
- Precision Class 2A thread fit guarantees consistent engagement and reduces cross-threading risks
- External hex drive design provides secure tool engagement for efficient installation and removal
- Fine UNF threading offers superior clamping force and vibration resistance compared to coarse threads
- Full threading along the 3/4" length enables maximum adjustability and holding power
- Rockwell B74 hardness rating maintains thread integrity and prevents stripping during repeated use
Professional Applications & Engineering Value
This 5/16"-24 UNF hex head screw delivers exceptional engineering value through its passivated 18-8 stainless steel composition and fine thread configuration. The combination of 70,000 psi tensile strength and Class 2A thread fit addresses critical industrial challenges including vibration-induced loosening, corrosion in demanding environments, and the need for precise torque application. The external hex drive ensures reliable tool engagement for maintenance operations, while the fully threaded design provides uniform stress distribution across the entire 3/4" length. These features make it particularly valuable for machinery assembly, automotive components, and structural applications where fine thread UNF fasteners are specified for their superior clamping performance and resistance to dynamic loads.
Specification Summary & Compliance
This hex head screw features precision 5/16"-24 UNF fine threading with Class 2A thread fit tolerance, ensuring dimensional accuracy and interchangeability. Manufacturing complies with Fed. Spec. FF-S-85 (MS35308-332) specifications, guaranteeing consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, making it suitable for global industrial applications requiring restricted substance control.
