S-92316A250 3/4"-10 x 3 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 industrial applications
- Superior corrosion resistance through black-phosphate steel coating that extends service life in demanding environments
- Optimized torque transmission with external hex drive design ensuring secure installation and removal
- Enhanced stability and distribution through integrated flange design that eliminates the need for separate washers
- Precision threading compatibility with 3/4"-10 UNC coarse threads meeting Class 2A fit standards for consistent engagement
- Grade 8 reliability certified to SAE J429 specifications with Rockwell C32 hardness for durable, long-term fastening solutions
- Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use across global industrial markets
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 8 hex head screw delivers exceptional performance where vibration resistance and structural integrity are critical. The black-phosphate steel construction provides superior corrosion protection in harsh environments, while the partial threading design allows for precise clamping force distribution. The flanged head eliminates washer requirements, streamlining assembly processes in machinery, construction, and transportation equipment. With 3/4"-10 UNC coarse threading and Class 2A thread fit, these screws ensure reliable engagement in structural steel connections, heavy equipment manufacturing, and infrastructure projects where failure is not an option.
Specification Summary & Compliance
This hex head screw features precision 3/4"-10 UNC coarse threading with Class 2A thread fit per inch measurement standards. Manufactured to meet IFI 111 specifications where identified as SAE J429 Grade 8, ensuring consistent quality and performance. The fastener demonstrates full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming environmental safety and regulatory acceptance for industrial use across global markets.
