S-92620A702 3/8"-24 x 1 1/8" ASME B18.2.1, SAE J429 High-Strength Grade 8 Steel Hex Head Screws
High-Strength Grade 8 Steel 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 150,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance with zinc yellow-chromate plating extends service life in harsh or outdoor environments.
- Precision Class 2A thread fit guarantees smooth installation and secure fastening, minimizing assembly errors.
- High hardness (Rockwell C33) provides excellent wear resistance, maintaining integrity under repeated use.
- Fully threaded UNF fine spacing design offers enhanced grip and vibration resistance in critical assemblies.
- External hex drive and hex head allow for easy torque application with standard tools, speeding up installation.
- Compliance with ASME B18.2.1 and SAE J429 standards ensures consistent quality and interoperability in industrial systems.
Professional Applications & Engineering Value
Engineered for demanding environments, this Grade 8 hex head screw delivers robust performance where failure is not an option. The steel material combined with zinc yellow-chromate plating effectively combats corrosion, making it ideal for machinery, automotive, and construction applications exposed to moisture or chemicals. Its 3/8"-24 UNF fine thread and Class 2A fit provide superior holding power and vibration resistance, addressing common issues like loosening under dynamic loads. By meeting ASME B18.2.1 specifications, it ensures dimensional accuracy and reliability, reducing maintenance needs and downtime in heavy-duty industrial assemblies.
Specification Summary & Compliance
This fastener features a 3/8"-24 UNF thread with Class 2A tolerance for precise fit, right-hand thread direction, and fully threaded design. It complies with ASME B18.2.1 and SAE J429 standards, ensuring consistent manufacturing quality. The zinc yellow-chromate plating offers environmental protection, and the product adheres to industry regulations for performance and safety in industrial applications.
