S-92323A563 3/8"-16 x 2 1/4" IFI 111, SAE J429 Medium-Strength Grade 5 Steel Serrated-Flange Hex Head Screws
Medium-Strength Grade 5 Steel Serrated-Flange 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
- Superior corrosion resistance with zinc-plated steel construction for extended service life in harsh environments
- Exceptional load-bearing capacity with Grade 5 rating providing 110,000 PSI tensile strength for heavy-duty applications
- Reliable thread engagement through UNC coarse threading and Class 2A fit ensuring secure fastening in various materials
- Enhanced stability and distribution with integrated flange design eliminating the need for separate washers
- Optimized torque transmission through external hex drive design for efficient installation with standard tools
- Full-length threading versatility allowing maximum adjustability and holding power along the entire screw length
- Industry compliance assurance meeting SAE J429 and IFI 111 specifications for consistent quality and performance
Professional Applications & Engineering Value
This Grade 5 hex head screw delivers critical engineering solutions for industrial applications where vibration resistance and structural integrity are paramount. The zinc-plated steel construction provides essential corrosion protection in manufacturing environments, while the UNC coarse threading ensures rapid installation and superior pull-out resistance in steel framing, machinery assembly, and structural connections. The flanged design distributes clamping force evenly, preventing surface damage and maintaining joint integrity under dynamic loads. With fully threaded construction and external hex drive, these screws offer maximum versatility for heavy equipment, automotive components, and construction projects requiring reliable, high-strength fastening solutions that withstand extreme operational stresses.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with UNC 3/8"-16 coarse threading and right-hand thread direction. Complies with IFI 111/SAE J429 standards for Grade 5 fasteners, ensuring consistent mechanical properties including Rockwell C22 hardness. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for hazardous substance restrictions.
