S-90409A152 1/2"-13 x 2 1/4" 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 load-bearing capacity with 150,000 psi tensile strength for reliable performance in high-stress environments
- Superior corrosion and wear resistance due to Grade 8 steel construction and Rockwell C32 hardness
- Enhanced stability and vibration resistance from the integrated flange design, eliminating the need for separate washers
- Optimized thread engagement with coarse UNC threading and Class 2A fit ensuring secure fastening and reduced cross-threading risks
- Easy installation and removal through standard 3/4" external hex drive compatible with common industrial tools
- Versatile partial threading with 1 1/4" minimum thread length providing flexibility for various material thicknesses
- Full regulatory compliance meeting IFI 111/SAE J429 mechanical specs and RoHS 3/REACH environmental standards
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 8 hex head screw delivers critical performance in construction equipment, machinery assembly, and structural frameworks where high tensile strength and vibration resistance are paramount. The 1/2"-13 UNC coarse thread configuration ensures rapid installation and superior holding power in steel-to-steel connections, while the flanged design distributes clamping force evenly to prevent surface damage. Manufactured from high-grade steel with Rockwell C32 hardness, it withstands extreme mechanical stresses and environmental exposure, making it ideal for critical fastening solutions in manufacturing, automotive, and infrastructure projects where failure is not an option.
Specification Summary & Compliance
This 2 1/4" length hex head screw features precision Class 2A thread fit with 1/2"-13 UNC coarse threading and partial threading configuration. Manufactured to IFI 111 specifications meeting SAE J429 Grade 8 requirements for mechanical properties. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets.
