S-92865A739 1/2"-13 x 7 1/2" 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
- Exceptional tensile strength of 120,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance provided by the zinc plating, extending service life in harsh industrial environments.
- High-strength Grade 5 steel construction with Rockwell C25 hardness offers excellent durability and wear resistance.
- Coarse UNC threading and Class 2A thread fit enable quick, secure installation and easy disassembly when needed.
- Fully threaded design along the 7 1/2" length ensures maximum grip and uniform load distribution across the entire fastener.
- External hex drive and hex head allow for high-torque application with standard tools, speeding up assembly processes.
- Compliance with ASME B18.2.1 and RoHS 3 guarantees consistent quality and environmental safety for industrial use.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in heavy machinery, structural frameworks, and equipment assembly. Its 1/2"-13 UNC coarse thread and Class 2A thread fit provide reliable engagement in various materials, minimizing cross-threading risks and ensuring stable connections under dynamic loads. The zinc plated finish combats corrosion in outdoor or humid settings, while the 120,000 PSI tensile strength and Rockwell C25 hardness prevent deformation and fatigue in high-vibration environments. Ideal for construction, automotive, and industrial manufacturing, this fully threaded external hex drive screw delivers consistent performance, reducing maintenance needs and enhancing operational safety.
Specification Summary & Compliance
This fastener features precise Class 2A thread fit and adheres to UNC coarse thread standards with a 1/2"-13 thread size. It is manufactured in accordance with ASME B18.2.1 specifications (referencing SAE J429) and is fully RoHS 3 (2015/863/EU) compliant, ensuring environmental safety and regulatory adherence for industrial applications.
