S-92865A166 1/2"-13 x 1 5/8" 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
- Exceptional tensile strength of 120,000 psi ensures reliable performance in heavy-duty applications, reducing the risk of fastener failure.
- Zinc plating provides superior corrosion resistance, extending the service life of the fastener in various industrial environments.
- Grade 5 classification guarantees consistent high strength and durability, meeting rigorous industrial standards for demanding uses.
- UNC coarse thread design allows for quicker installation and better performance in materials prone to stripping or where vibration is a concern.
- Partially threaded shank offers improved clamping force and stability, ideal for applications requiring precise joint security.
- External hex drive and hex head enable easy installation with standard tools, reducing assembly time and labor costs.
- Compliance with ASME B18.2.1 and SAE J429 ensures dimensional accuracy and interoperability, minimizing compatibility issues.
Professional Applications & Engineering Value
This 1/2"-13 Grade 5 hex head screw is engineered to address critical challenges in heavy-duty industrial applications, such as machinery assembly, structural frameworks, and automotive components. Constructed from zinc plated steel, it combats corrosion in harsh environments, while the UNC coarse thread and Class 2A thread fit provide secure fastening in materials like cast iron or soft metals, reducing the likelihood of thread stripping. The partially threaded design concentrates clamping force where needed, enhancing joint integrity under dynamic loads. With a tensile strength of 120,000 psi and Rockwell C25 hardness, it delivers reliable performance in high-stress scenarios, ensuring long-term operational safety and reducing maintenance downtime for B2B clients.
Specification Summary & Compliance
This fastener adheres to precise inch system dimensions, including a thread size of 1/2"-13 UNC with Class 2A thread fit for consistent accuracy. It meets ASME B18.2.1 and SAE J429 specifications, ensuring reliable manufacturing standards. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmental and safety requirements in global supply chains.
