S-92323A541 5/16"-18 x 1 1/2" 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
- Enhanced Corrosion Resistance with zinc-plated steel coating, extending service life in harsh industrial environments.
- High Tensile Strength of 110,000 PSI ensures reliable load-bearing capacity for demanding applications without failure.
- Secure Anti-Loosening Performance due to serrated locking features that maintain tightness under vibration.
- Easy Installation and Removal with external hex drive design, allowing for standard wrench tool compatibility.
- Flanged Head Design distributes clamping force evenly, reducing surface damage and improving joint integrity.
- Precise UNC Coarse Threads with Class 2A Fit provide quick assembly and consistent engagement in various materials.
- Rockwell C22 Hardness offers excellent durability and resistance to wear during repeated use.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial and construction applications, these Grade 5 zinc-plated steel hex head screws address common challenges like vibration-induced loosening and corrosion. The fully threaded UNC coarse thread design ensures rapid installation in metal, wood, and composite assemblies, while the external hex drive allows for high torque application without stripping. The flanged head with serrations enhances locking security, making them ideal for machinery, structural frameworks, and automotive components where reliability under stress is critical. By combining high tensile strength and corrosion-resistant zinc plating, these screws deliver long-term performance in outdoor or humid conditions, reducing maintenance needs and downtime.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC coarse thread with Class 2A fit for precise dimensional accuracy, ensuring consistent performance. It complies with IFI 111/SAE J429 standards for material and mechanical properties, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its suitability for global industrial use without hazardous substances.
