S-90602A225 3/8"-16 x 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
- Exceptional load-bearing capability with 150,000 psi tensile strength for demanding industrial applications
- Superior corrosion resistance provided by zinc yellow-chromate plating for extended service life in harsh environments
- Precise thread engagement with Class 3A fit and UNC coarse spacing ensuring reliable fastening performance
- Enhanced installation efficiency through external hex drive design allowing high-torque application
- Optimized weight distribution with flanged design that eliminates the need for separate washers
- Consistent mechanical properties maintained through Rockwell C32 hardness for dependable performance
- Industry-standard compliance meeting IFI 111/SAE J429 specifications for quality assurance
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 8 hex head screws deliver exceptional performance in construction equipment, machinery assembly, and structural frameworks. The zinc yellow-chromate plated steel construction provides superior protection against corrosion while maintaining the 150,000 psi tensile strength required for critical connections. The partially threaded design with UNC coarse spacing ensures optimal clamping force distribution, while the external hex drive facilitates high-torque installation in confined spaces. These industrial fasteners are specifically designed to withstand vibration, dynamic loads, and harsh environmental conditions common in manufacturing, automotive, and heavy equipment sectors.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 3A thread fit tolerance for superior engagement. Complies with IFI 111 specifications where identified as SAE J429 for Grade 8 fasteners. Features UNC coarse thread with 3/8"-16 thread size and 2" length in inch system measurement. The zinc yellow-chromate plating meets industry standards for corrosion protection while maintaining the mechanical properties required for heavy-duty applications.
