S-92979A352 3/8"-16 x 1 1/2" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Flanged Hex Head Screws
Medium-Strength Grade 5 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 110,000 PSI ensures reliable performance in demanding applications, reducing the risk of fastener failure.
- Zinc-plated steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
- Flanged hex head design eliminates the need for a separate washer, simplifying installation and distributing load more effectively.
- UNC coarse threading with Class 2A fit offers faster assembly and superior resistance to vibration loosening.
- Grade 5 strength classification guarantees consistent quality and durability for medium-duty to heavy-duty applications.
- External hex drive allows for high-torque installation with common tools, ensuring a secure and tight fit.
- Full threading along the 1 1/2" length provides maximum grip and adjustability in various material thicknesses.
Professional Applications & Engineering Value
This 3/8"-16 hex head screw is engineered to solve common industrial challenges, such as joint integrity under dynamic loads and corrosion in exposed settings. The zinc-plated steel material combats rust effectively, making it ideal for outdoor machinery, automotive assemblies, and structural frameworks. Its UNC coarse thread and Class 2A fit ensure quick, reliable fastening even in applications prone to vibration, reducing maintenance downtime. The flanged head design enhances clamping force without additional components, streamlining assembly in production lines. With a tensile strength of 110,000 PSI and Rockwell C22 hardness, it provides a robust solution for securing heavy equipment, conveyor systems, and construction projects where durability and compliance are paramount.
Specification Summary & Compliance
This fastener adheres to precise dimensional standards, including Class 2A thread fit and UNC coarse thread specifications, ensuring consistent performance and interchangeability. It meets SAE J429 standards for Grade 5 mechanical properties and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
