S-92979A340 3/8"-16 x 3/4" 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
- Enhanced corrosion resistance with zinc-plated steel construction for long-lasting performance in harsh industrial environments
- Superior load-bearing capacity with Grade 5 strength rating and 110,000 psi tensile strength for reliable heavy-duty applications
- Quick and secure installation thanks to UNC coarse threading and external hex drive design for efficient assembly
- Improved stability and distribution with integrated flange that eliminates the need for separate washers
- Consistent thread engagement with Class 2A fit and fully threaded design ensuring uniform clamping force
- Wide industrial compatibility meeting SAE J429 and IFI 111 standards for quality assurance across applications
- Environmental compliance with RoHS 3 and REACH regulations for safe, sustainable manufacturing practices
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel hex head screw delivers exceptional engineering value through its robust material properties and precision UNC coarse threading. The combination of 110,000 psi tensile strength and Rockwell C22 hardness provides reliable performance in demanding applications such as machinery assembly, structural frameworks, and automotive components where vibration resistance is critical. The flanged design enhances load distribution while eliminating washer requirements, streamlining installation processes. With fully threaded construction and Class 2A thread fit, these hex head screws maintain consistent clamping force across industrial equipment, reducing maintenance needs and preventing joint failure in high-stress environments.
Specification Summary & Compliance
This 3/8"-16 UNC hex head screw features precise Class 2A thread fit with coarse threading and right-hand thread direction. Manufactured to IFI 111/SAE J429 specifications with complete compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards. The fastener maintains dimensional accuracy with 3/4" length, 9/16" head width, and 13/16" flange diameter, ensuring consistent performance across industrial applications.
