S-92620A628 3/8"-16 x 1 1/2" 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 under extreme loads, reducing the risk of fastener failure in critical applications.
- Superior corrosion resistance from Zinc Yellow-Chromate plating extends service life in harsh or outdoor industrial environments.
- High hardness (Rockwell C33) provides excellent wear resistance, maintaining thread integrity and drive features through repeated use.
- Full threading and coarse UNC thread design allows for faster installation and secure gripping in a wide range of materials.
- Precise Class 2A thread fit ensures smooth assembly and consistent clamping force, minimizing production delays.
- External hex drive and standard hex head offer easy installation with common tools, improving efficiency in maintenance and assembly lines.
- Compliance with major standards including ASME B18.2.1 and SAE J429 guarantees interchangeability and reliability in regulated industries.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, this Grade 8 hex head screw combines high-strength steel and a zinc yellow-chromate finish to tackle common challenges like vibration loosening and environmental corrosion. The fully threaded design with 3/8"-16 UNC coarse threads ensures maximum grip in structural assemblies, machinery, and heavy equipment, where 150,000 PSI tensile strength prevents joint failure under dynamic loads. Its external hex drive facilitates quick installation with standard wrenches, reducing downtime in manufacturing, construction, and automotive applications. By meeting ASME B18.2.1 specifications, it delivers consistent performance in high-stress environments, enhancing safety and longevity.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit tolerances and UNC coarse thread standards for precise alignment. It complies with ASME B18.2.1 and SAE J429 manufacturing specifications, ensuring dimensional accuracy and reliability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental and safety regulations in global supply chains.
