S-92316A349 3/4"-16 x 1 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 capacity with 150,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance provided by black-phosphate steel coating, extending service life in demanding environments
- Precise thread engagement with Class 2A fit and UNF fine threading for secure fastening and vibration resistance
- Enhanced installation efficiency through external hex drive design and flanged feature for simplified assembly
- Guaranteed material integrity with Rockwell C32 hardness maintaining structural stability under heavy loads
- Full-threaded design ensuring maximum grip length and uniform stress distribution along the entire fastener
- Regulatory compliance assurance meeting SAE J429, RoHS 3, and REACH standards for global industrial applications
Professional Applications & Engineering Value
This Grade 8 hex head screw delivers critical engineering solutions for heavy machinery, structural assemblies, and industrial equipment where high tensile strength and corrosion resistance are paramount. The black-phosphate steel construction combined with UNF fine threading provides superior resistance to vibrational loosening and environmental degradation, addressing common failure points in dynamic load applications. The flanged design eliminates the need for separate washers while distributing clamp load effectively, making it ideal for automotive, construction, and manufacturing sectors requiring 150,000 psi tensile strength fasteners that maintain integrity under extreme conditions.
Specification Summary & Compliance
Manufactured to SAE J429 specifications with Class 2A thread fit tolerance ensuring precise dimensional accuracy. The 3/4"-16 UNF fine thread configuration provides optimal thread engagement for critical connections. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, alongside Grade 8 mechanical properties verification including Rockwell C32 hardness and 150,000 psi tensile strength certification.
