S-90409A134 3/8"-16 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
- Maximum load-bearing capacity with 150,000 PSI tensile strength for critical structural applications
- Superior wear resistance from Rockwell C32 hardness, extending service life in demanding environments
- Enhanced stability and vibration resistance through the integrated flange design that distributes load evenly
- Quick and secure installation with external hex drive and coarse UNC threads for efficient assembly
- Reliable thread engagement ensured by Class 2A thread fit and full threading along the 1-1/2" length
- Heavy-duty performance compliance meeting IFI 111/SAE J429 Grade 8 specifications for industrial use
- Environmentally responsible manufacturing with full RoHS 3 and REACH compliance
Professional Applications & Engineering Value
This Grade 8 steel hex head screw delivers exceptional engineering value for heavy machinery, construction equipment, and automotive assemblies where failure is not an option. The 3/8"-16 UNC coarse thread configuration provides superior resistance to vibration loosening while enabling faster installation in thick materials. The flanged design eliminates the need for separate washers, reducing component count and assembly time while providing superior clamping force distribution. With fully threaded construction and external hex drive, this fastener maintains consistent grip strength across the entire engagement length while allowing high-torque installation. The combination of 150,000 PSI tensile strength and Rockwell C32 hardness ensures reliable performance in high-stress applications where both mechanical strength and surface durability are critical requirements.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit tolerances with 3/8"-16 UNC coarse threading and right-hand direction. Manufacturing complies with IFI 111/SAE J429 Grade 8 specifications for dimensional accuracy and mechanical properties. The fastener is fully RoHS 3 (2015/863/EU) compliant and REACH (EC 1907/2006) compliant, meeting current environmental regulations for industrial components.
