S-90002A114 3/8"-16 x 1" ASME B18.2.1, SAE J429 High-Strength Steel Hex Head Screws with Material Certification
High-Strength Steel Hex Head Screws with Material Certification
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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 provided by zinc yellow-chromate plating extends service life in harsh industrial environments.
- High hardness rating (Rockwell C33) enhances durability and wear resistance, maintaining integrity under repeated loads.
- Coarse UNC threads with Class 2A fit allow for quick installation and secure fastening, minimizing assembly time.
- Fully threaded design offers consistent grip along the entire length, improving load distribution in heavy-duty connections.
- External hex drive enables easy tightening with standard tools, facilitating efficient maintenance and adjustments.
- Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interoperability in professional settings.
Professional Applications & Engineering Value
Engineered for demanding industrial environments, this Grade 8 hex head screw combines high-strength steel and zinc yellow-chromate plating to address common challenges like corrosion and mechanical stress. The coarse UNC thread and Class 2A fit ensure rapid, secure fastening in heavy machinery, construction, and automotive assemblies, where vibration resistance and durability are critical. Its fully threaded design provides uniform clamping force, reducing the risk of loosening in dynamic loads. Ideal for applications requiring reliable high-strength bolts, this fastener meets rigorous standards to support long-term operational safety and efficiency.
Specification Summary & Compliance
This screw adheres to precise dimensional tolerances, including Class 2A thread fit for consistent engagement and UNC coarse threading (3/8"-16) for robust performance. It conforms to ASME B18.2.1 and SAE J429 specifications, ensuring compatibility and reliability in industrial fastening systems. The manufacturing process emphasizes quality control, with compliance to relevant industry standards for material and finish integrity.
