S-92323A544 5/16"-18 x 2" 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, extending service life in harsh industrial environments
- Exceptional load-bearing capacity with 110,000 psi tensile strength, ideal for heavy-duty structural applications
- Enhanced vibration resistance through serrated locking flange design, preventing loosening under dynamic loads
- Optimized installation efficiency with external hex drive and coarse UNC threads for faster assembly
- Reliable thread engagement with Class 2A fit and full threading, ensuring consistent clamping force
- Industry-standard compatibility meeting SAE J429 specifications for guaranteed interchangeability
- Environmental compliance assurance with RoHS 3 and REACH adherence for global supply chain integration
Professional Applications & Engineering Value
Engineered for demanding industrial fastening applications, these Grade 5 hex head screws deliver critical performance where vibration resistance and structural integrity are paramount. The zinc-plated steel construction provides essential corrosion protection for machinery, structural frames, and equipment exposed to moisture or chemical agents. The combination of coarse UNC threads and fully threaded design ensures rapid installation and maximum thread engagement in both metallic and composite materials. The serrated flange eliminates the need for separate washers while creating permanent locking action that withstands cyclic loading in automotive assemblies, construction equipment, and heavy machinery. With Rockwell C22 hardness and precise Class 2A thread fit, these screws maintain dimensional stability under extreme pressure while preventing cross-threading during installation.
Specification Summary & Compliance
Manufactured to IFI 111 specifications meeting SAE J429 standards for Grade 5 fasteners. Features 5/16"-18 UNC coarse threads with Class 2A tolerance for consistent fit. Full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Dimensional specifications include 2" length, 1/2" head width, and 11/16" flange diameter with external hex drive configuration.
