S-92316A329 3/8"-16 x 1/2" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws
High-Strength Grade 8 Steel Flanged 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
- Exceptional tensile strength of 150,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the black-phosphate steel coating extends service life in harsh industrial environments.
- High hardness rating (Rockwell C32) provides excellent wear resistance, maintaining thread integrity through repeated use.
- Integrated flange design eliminates the need for separate washers, simplifying installation and providing superior load distribution.
- Coarse UNC threading with Class 2A fit offers quick assembly and reliable engagement in various materials.
- External hex drive enables high-torque installation with standard tools, ensuring secure fastening in demanding applications.
- Full threading along the entire 1/2" length provides maximum grip and adjustment flexibility.
Professional Applications & Engineering Value
These Grade 8 hex head screws deliver critical engineering solutions where high tensile strength and corrosion resistance are paramount. The black-phosphate steel construction combined with 150,000 psi tensile strength makes them ideal for heavy machinery, structural assemblies, and automotive applications where vibration and environmental factors challenge fastener integrity. The UNC coarse thread pattern ensures rapid installation in steel, aluminum, and cast components, while the integrated flange provides superior clamping force without washer requirements. These fully threaded screws maintain consistent performance in construction equipment, industrial manufacturing, and transportation systems where Grade 8 strength and SAE J429 compliance are mandatory specifications.
Specification Summary & Compliance
Precision-engineered with Class 2A thread fit for consistent engagement and UNC coarse threading (3/8"-16) for optimal performance in various materials. Manufactured to meet SAE J429 specifications for Grade 8 fasteners, ensuring dimensional accuracy and mechanical properties. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, making them suitable for global industrial applications requiring regulatory adherence.
