S-92316A242 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 Grade 8 classification and 150,000 psi tensile strength for critical structural applications
- Superior corrosion resistance through black phosphate steel coating, extending service life in harsh industrial environments
- Optimized torque transmission via external hex drive and 15/16" head width for secure installation with standard tools
- Reliable thread engagement with UNC coarse threading and Class 2A fit, preventing cross-threading in high-vibration settings
- Enhanced stability from integrated flange design, eliminating need for separate washers in assembly
- Controlled thread distribution through partial threading, concentrating strength where needed most
- Industry compliance assurance meeting SAE J429 specifications for guaranteed mechanical properties
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 8 hex head screws deliver critical performance where failure is not an option. The black phosphate coating provides superior corrosion protection for machinery exposed to moisture, chemicals, or outdoor elements, while the Rockwell C32 hardness ensures exceptional wear resistance. The UNC coarse thread pattern combined with Class 2A thread fit enables rapid assembly in structural steel, construction equipment, and automotive frameworks, reducing installation time without compromising joint integrity. The flanged design distributes clamping force evenly across surfaces, preventing material damage in wood, metal, or composite assemblies. These partially threaded screws concentrate strength in the engaged section, making them ideal for pivot points, machinery mounts, and structural connections requiring precise load management.
Specification Summary & Compliance
Manufactured to exact inch system dimensions with 5/8"-11 UNC coarse threads and Class 2A thread fit tolerance. Fully compliant with SAE J429 specifications for Grade 8 mechanical properties, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) for chemical safety. The 5 1/2" length with 1 3/4" minimum thread length provides consistent engagement depth across applications.
