S-90409A184 5/8"-11 x 5 1/2" IFI 111, SAE J429 High-Strength Grade 8 Steel Flanged Hex Head Screws
High-Strength Grade 8 Steel Flanged Hex Head Screws
Image may differ from product. See technical specification for details.
Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
- Fast delivery
- Enjoy discounts on bulk purchases
- Secure Payment
- Fast Global Shipping
Key Features & Benefits at a Glance
- Exceptional load-bearing capacity with 150,000 psi tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance and durability through Grade 8 steel construction with Rockwell C32 hardness
- Enhanced stability and distribution thanks to the integrated flange design that eliminates the need for separate washers
- Optimized assembly efficiency with 5/8"-11 UNC coarse threading and Class 2A fit for faster installation
- Secure torque transmission through external hex drive and 15/16" head width for superior grip
- Versatile partial threading providing both gripping power and clearance where needed
- Compliance with industrial standards including IFI 111/SAE J429 for guaranteed quality and performance
Professional Applications & Engineering Value
Engineered for demanding industrial applications, this Grade 8 hex head screw delivers critical performance where failure is not an option. The steel construction with Rockwell C32 hardness ensures exceptional resistance to wear and deformation, while the 150,000 psi tensile strength provides reliable performance in structural connections, heavy machinery, and equipment assembly. The flanged design eliminates washer requirements, reducing component count and installation time. With 5/8"-11 UNC coarse threading and Class 2A fit, this partially threaded fastener offers optimal engagement in various materials, making it ideal for construction, automotive, and manufacturing applications where vibration resistance and long-term reliability are paramount.
Specification Summary & Compliance
This hex head screw features precise Class 2A thread fit with 5/8"-11 UNC coarse threading and meets IFI 111/SAE J429 specifications. The fastener maintains dimensional accuracy with a 5 1/2" length, 1 21/64" flange diameter, and 1 1/2" minimum thread length. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) ensures environmental responsibility and safe use across industrial sectors.
