S-91247A677 7/16"-14 x 2" ASME B18.2.1, SAE J429 Medium-Strength Grade 5 Steel Hex Head Screws
Medium-Strength Grade 5 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
- High tensile strength of 120,000 PSI ensures reliable performance in demanding industrial applications, reducing the risk of fastener failure.
- Zinc plating finish provides excellent corrosion resistance, extending the service life of the screw in harsh environments.
- Grade 5 steel construction with Rockwell C25 hardness offers superior durability and resistance to wear, ideal for heavy-duty use.
- Coarse UNC thread with Class 2A fit allows for quick and easy installation while maintaining secure fastening in various materials.
- External hex drive design enables efficient torque application with standard tools, speeding up assembly processes.
- Partial threading provides enhanced grip and vibration resistance, minimizing loosening in dynamic applications.
- Compliance with ASME B18.2.1 and SAE J429 standards guarantees consistent quality and interoperability in professional settings.
Professional Applications & Engineering Value
This Grade 5 steel hex head screw is engineered to address common challenges in heavy-duty industrial applications, such as machinery assembly, construction, and automotive systems. The combination of 120,000 PSI tensile strength and Rockwell C25 hardness ensures it can withstand high stress and repetitive loads without deforming. The coarse UNC thread and partial threading design improve grip in softer materials and resist vibration-induced loosening, while the zinc plating offers reliable corrosion protection in outdoor or humid conditions. Ideal for use with an external hex drive, it simplifies maintenance and reduces installation time, making it a cost-effective solution for projects requiring durable, industrial-grade fasteners that meet rigorous performance standards.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and adheres to UNC thread standards with a size of 7/16"-14. It is manufactured in compliance with ASME B18.2.1 and SAE J429 specifications, ensuring dimensional accuracy and reliability. Additionally, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, confirming its safety and sustainability for various industrial uses.
