S-92316A720 1/2"-13 x 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 load-bearing capacity with Grade 8 strength rating and 150,000 psi tensile strength for heavy-duty applications
- Superior corrosion resistance provided by black phosphate steel coating, extending service life in harsh environments
- Reliable fastening performance through UNC coarse threads that resist loosening under vibration and stress
- Enhanced installation efficiency with external hex drive and flanged design that eliminates need for separate washers
- Precise thread engagement ensured by Class 2A thread fit for consistent clamping force and secure connections
- Optimized strength-to-weight ratio with Rockwell C32 hardness providing durability without excessive weight
- Partial threading design allows for both secure fastening and adjustable positioning in assembly applications
Professional Applications & Engineering Value
Engineered for demanding industrial applications, these Grade 8 hex head screws deliver exceptional performance in construction, heavy machinery, and automotive assemblies where high tensile strength is critical. The black phosphate steel coating provides superior corrosion protection, making these UNC coarse thread fasteners ideal for outdoor equipment and marine environments. The flanged design distributes clamping force evenly, preventing surface damage while eliminating the need for additional washers. With partial threading and external hex drive, these screws offer quick installation and reliable performance in vibration-prone applications, ensuring long-term structural integrity for industrial strength fastening solutions.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC coarse thread specifications (1/2"-13 thread size). Complies with SAE J429 standards for Grade 8 mechanical properties, ensuring 150,000 psi tensile strength and Rockwell C32 hardness. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements. The 2" length with 1-1/4" minimum thread length provides optimal engagement for various material thicknesses in industrial fastening applications.
