S-92323A139 5/16"-24 x 1" 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 high-stress applications
- Vibration-resistant locking through serrated flange design, preventing loosening under dynamic loads
- Precise thread engagement with Class 2A UNF fine threads, ensuring reliable fastening in critical assemblies
- Enhanced durability with Rockwell C22 hardness, maintaining structural integrity under repeated use
- Quick installation using standard external hex drive tools, reducing assembly time and labor costs
- Full regulatory compliance meeting SAE J429, RoHS 3, and REACH standards for global industrial applications
Professional Applications & Engineering Value
Engineered for demanding industrial environments, these Grade 5 zinc-plated steel hex head screws deliver exceptional performance where vibration resistance and structural integrity are paramount. The combination of UNF fine threading and Class 2A fit ensures precise alignment and secure fastening in machinery, automotive assemblies, and heavy equipment. The serrated flange design provides superior locking action without requiring additional washers, while the external hex drive enables high-torque installation with standard tools. These fully threaded fasteners maintain consistent clamping force across the entire 1" length, making them ideal for applications requiring uniform stress distribution and reliable vibration resistance in manufacturing and construction sectors.
Specification Summary & Compliance
This 5/16"-24 hex head screw features Class 2A thread fit per UNF standards with precise dimensional accuracy. Manufactured to SAE J429 Grade 5 specifications, it delivers consistent mechanical properties including 110,000 PSI tensile strength and Rockwell C22 hardness. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. The zinc-plated surface treatment provides corrosion protection while maintaining electrical conductivity where required.
