S-92323A546 5/16"-18 x 2 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
- Exceptional tensile strength of 110,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Zinc-plated steel construction provides excellent corrosion resistance, extending service life in harsh industrial environments.
- Flanged design with serrations offers secure locking and eliminates the need for separate washers, speeding up assembly and improving joint stability.
- Fully threaded coarse UNC thread enables faster installation and superior grip in a wide range of materials, enhancing efficiency.
- Class 2A thread fit ensures consistent, reliable engagement with standard nuts and tapped holes, minimizing cross-threading and rework.
- External hex drive allows for high-torque application with common tools, facilitating quick and secure fastening in confined spaces.
- Compliance with SAE J429 and IFI 111 standards guarantees consistent quality and interchangeability, meeting rigorous industrial specifications.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this Grade 5 zinc-plated steel hex head screw delivers robust performance where durability is critical. The coarse UNC thread and fully threaded design provide maximum holding power in structural assemblies, machinery, and heavy equipment, resisting vibration and dynamic loads. The flange with serrations acts as an integrated lock washer, preventing loosening under stress and reducing component count. With a Rockwell C22 hardness and high tensile strength, it withstands extreme conditions without deformation, making it ideal for construction, automotive, and manufacturing applications where reliability and compliance with standards like SAE J429 are essential for safety and efficiency.
Specification Summary & Compliance
This screw features a 5/16"-18 UNC coarse thread with Class 2A thread fit for precise dimensional accuracy and easy assembly. It adheres to IFI 111 SAE J429 manufacturing specifications, ensuring consistent performance. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for use in global markets.
