S-92316A710 1/2"-13 x 3/4" 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 load-bearing capability with Grade 8 classification and 150,000 psi tensile strength for demanding industrial applications
- Superior corrosion resistance provided by the black-phosphate steel coating, extending service life in harsh environments
- Optimized installation efficiency through external hex drive and coarse UNC threading for faster assembly in heavy machinery
- Enhanced vibration resistance with Class 2A thread fit ensuring secure fastening in high-stress applications
- Distributed load capacity from the integrated flange design that eliminates the need for separate washers
- Maximum thread engagement through full threading along the 3/4" length for superior grip strength
- Consistent performance reliability backed by Rockwell C32 hardness for maintained integrity under repeated stress
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 8 hex head screws deliver critical performance where failure is not an option. The black-phosphate steel construction provides essential corrosion protection for machinery, construction equipment, and automotive assemblies exposed to demanding conditions. The coarse UNC threading ensures rapid installation in structural steel connections and equipment frames, while the flanged design distributes clamping force evenly, preventing surface damage and maintaining joint integrity. With fully threaded coverage and external hex drive, these fasteners solve common assembly challenges in maintenance operations and manufacturing lines where vibration resistance and quick installation are paramount for operational efficiency.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with 1/2"-13 UNC coarse threading and right-hand thread direction. Complies with IFI 111/SAE J429 specifications for Grade 8 fasteners, ensuring dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance standards for environmental safety. Features include 33/64" head height, 3/4" head width, 1 5/64" flange diameter, and Rockwell C32 hardness verification.
