S-92316A226 3/8"-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 industrial environments.
- Precise Class 3A thread fit provides excellent engagement and vibration resistance, minimizing loosening over time.
- Flanged head design eliminates the need for separate washers, simplifying installation and distributing load more effectively.
- Fully threaded UNF fine pitch offers maximum grip and holding power in materials where coarse threads may not be suitable.
- High hardness rating (Rockwell C32) ensures durability and resistance to wear during repeated use or high-torque applications.
- External hex drive allows for easy installation and removal with standard tools, improving assembly efficiency.
Professional Applications & Engineering Value
This Grade 8 hex head screw is engineered for demanding applications where high tensile strength and corrosion resistance are critical. The black-phosphate steel coating provides a robust barrier against rust and chemical exposure, making it ideal for automotive, machinery, and construction uses. The UNF fine thread and Class 3A fit ensure tight, secure fastening in precision assemblies, reducing the need for frequent maintenance. Its flanged head enhances stability and load distribution, solving common issues of joint failure under dynamic loads. These features make it a reliable choice for heavy-duty industrial fasteners that require long-term performance and compliance with stringent standards.
Specification Summary & Compliance
This screw adheres to IFI 111/SAE J429 specifications, with a Class 3A thread fit for precise tolerances. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring environmental and safety standards. Key dimensions include a 3/8"-24 UNF fine thread, 1 1/2" length, and 13/16" flange diameter, supporting consistent performance in regulated industrial settings.
