S-92865A796 5/8"-11 x 1 1/4" 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 provides reliable performance in high-stress applications, reducing the risk of fastener failure.
- Zinc plating finish offers superior corrosion resistance, extending service life in demanding industrial environments.
- Grade 5 steel construction with Rockwell C25 hardness ensures high durability and resistance to wear and deformation.
- Fully threaded UNC coarse pattern enables faster installation and superior grip in a wide range of materials.
- Class 2A thread fit guarantees consistent, precise engagement with nuts and tapped holes, minimizing assembly issues.
- External hex drive design allows for easy tightening with standard tools, improving installation efficiency.
- Compliance with ASME, SAE, RoHS, and REACH standards ensures product reliability and environmental safety for global supply chains.
Professional Applications & Engineering Value
This Grade 5 hex head screw is engineered to address critical challenges in heavy-duty assembly, such as structural connections in machinery, construction, and automotive systems. The zinc plated steel material combats rust and corrosion, making it ideal for outdoor or humid conditions. With a coarse UNC thread and fully threaded design, it provides rapid installation and strong holding power in wood, metal, and composite substrates. The external hex drive facilitates high-torque application, ensuring secure fastening in high-vibration environments. These features collectively reduce maintenance needs and enhance the longevity of industrial equipment, supporting efficient and reliable operations.
Specification Summary & Compliance
This fastener adheres to Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. It meets ASME B18.2.1 and SAE J429 specifications for consistent manufacturing quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety for use in regulated industries and environmental sustainability.