S-92323A558 3/8"-16 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
- Exceptional tensile strength of 110,000 psi ensures reliable performance in high-stress applications, preventing fastener failure.
- Corrosion-resistant zinc-plated steel provides durable protection against rust, extending service life in harsh industrial environments.
- Serrated locking flange eliminates the need for separate washers and prevents loosening under vibration, enhancing assembly security.
- Coarse UNC threading allows for faster installation and easier alignment, reducing assembly time and labor costs.
- Class 2A thread fit ensures consistent, reliable engagement with nuts and tapped holes, minimizing cross-threading risks.
- Fully threaded design offers maximum grip length and holding power along the entire shank for versatile fastening applications.
- External hex drive enables high-torque installation with common tools, facilitating quick and secure tightening.
Professional Applications & Engineering Value
This Grade 5 zinc-plated steel hex head screw is engineered for demanding industrial applications where vibration resistance and structural integrity are critical. The serrated flange bites into surfaces, providing a secure lock that prevents back-off in machinery, automotive assemblies, and structural frameworks. Its coarse UNC thread and Class 2A fit ensure rapid, reliable installation in both thin and thick materials, reducing the risk of stripping. The 110,000 psi tensile strength and Rockwell C22 hardness make it ideal for heavy-duty fastening in construction, manufacturing, and equipment maintenance, offering a robust solution that withstands dynamic loads and harsh environmental conditions.
Specification Summary & Compliance
This fastener meets IFI 111 and SAE J429 specifications for Grade 5 hex head screws, ensuring dimensional accuracy and performance reliability. Threading conforms to UNC coarse thread standards with a Class 2A thread fit for consistent engagement. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing it is free from hazardous substances and safe for use in regulated industries.
