S-92316A355 3/4"-16 x 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 through black-phosphate steel coating that protects against rust and environmental degradation
- Precision threading with Class 2A fit and UNF fine thread profile ensures secure fastening and vibration resistance
- Enhanced installation efficiency through external hex drive design that provides superior torque transmission
- Reduced assembly complexity with integrated flange that eliminates the need for separate washers
- Long-term reliability backed by Rockwell C32 hardness rating for maintained performance under repeated stress
- Industry compliance assurance meeting SAE J429 specifications for guaranteed quality and performance standards
Professional Applications & Engineering Value
Engineered for demanding industrial environments, this Grade 8 hex head screw delivers critical performance where failure is not an option. The black-phosphate steel construction provides superior corrosion protection in harsh conditions, while the 3/4"-16 UNF fine thread configuration offers enhanced vibration resistance compared to coarse thread alternatives. The partially threaded design concentrates strength where needed most, and the integrated flange distributes clamping force evenly, preventing surface damage. Ideal for heavy machinery, structural assemblies, and equipment manufacturing, this external hex drive fastener ensures reliable performance in applications requiring 150,000 psi tensile strength and precise Class 2A thread fit for secure, long-lasting connections.
Specification Summary & Compliance
This high-strength fastener features precision Class 2A thread fit with 3/4"-16 UNF fine threading, manufactured to exacting SAE J429 specifications. The 4" length with 1 3/4" minimum thread length provides optimal engagement, while the 1 19/32" flange diameter ensures proper load distribution. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations guarantees environmental safety and regulatory adherence for global industrial applications.
