S-92316A325 5/16"-24 x 1 1/2" 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 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 or outdoor environments.
- High-strength Grade 8 classification and Rockwell C32 hardness provide consistent durability and load-bearing capacity.
- UNF fine thread pattern offers improved vibration resistance and secure fastening in precision assemblies.
- Partially threaded design with flange eliminates the need for separate washers, speeding up installation and distributing load effectively.
- Class 2A thread fit ensures easy assembly while maintaining precise tolerances for repeatable use.
- Compliance with SAE J429, RoHS 3, and REACH guarantees adherence to industry and environmental standards for safe, reliable sourcing.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this Grade 8 hex head screw combines black-phosphate steel with a UNF fine thread to address common challenges like vibration loosening and corrosion. The partially threaded and flanged design enhances clamping force and simplifies installation in machinery, automotive frames, and structural assemblies. With a 150,000 PSI tensile strength and Rockwell C32 hardness, it withstands heavy loads and repetitive stress, making it ideal for construction, manufacturing, and equipment maintenance where reliability is critical. This screw’s right-hand thread and precise dimensions ensure compatibility with standard components, reducing downtime and improving operational efficiency.
Specification Summary & Compliance
This screw adheres to Class 2A thread fit tolerances and UNF fine thread standards (5/16"-24), with a length of 1 1/2" and flange diameter of 11/16". Manufactured to meet IFI 111 specifications under SAE J429, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and consistent quality for industrial use.
