S-92316A237 3/4"-16 x 2 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 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.
- Precise Class 2A thread fit provides smooth assembly and consistent clamping force, minimizing installation issues.
- Flanged hex head design eliminates the need for separate washers, speeding up installation and distributing load effectively.
- Fully threaded shank offers maximum grip and holding power along the entire length for secure fastening.
- High hardness (Rockwell C32) resists wear and deformation, maintaining integrity under repeated use.
- Compliance with SAE J429/IFI 111 standards guarantees quality and interchangeability for industrial applications.
Professional Applications & Engineering Value
This Grade 8 hex head screw is engineered to address critical challenges in heavy-duty sectors like machinery, construction, and automotive assembly. Its black-phosphate steel construction provides a durable barrier against rust and corrosion, ideal for outdoor or humid conditions. The 3/4"-16 UNF fine thread and Class 2A fit ensure tight, vibration-resistant connections, reducing maintenance needs in dynamic loads. With a flanged head and external hex drive, it simplifies installation while offering robust clamping force, making it a go-to for applications demanding high tensile strength and long-term reliability in industrial fastening systems.
Specification Summary & Compliance
This fastener adheres to Class 2A thread tolerance for precise fit and meets IFI 111 / SAE J429 specifications. It features a UNF fine thread (3/4"-16) with right-hand direction, fully threaded design, and is manufactured from high-strength steel with a black-phosphate finish for enhanced durability. The product complies with industry standards for heavy-duty use, ensuring consistent performance in regulated environments.
