S-92865A356 1/2"-20 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
- Exceptional tensile strength of 120,000 psi ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Zinc plating provides superior corrosion resistance, extending the screw's lifespan in harsh industrial environments.
- Grade 5 steel construction with Rockwell C25 hardness offers excellent durability and resistance to wear and deformation.
- UNF fine thread with Class 2A fit delivers precise, secure fastening with reduced likelihood of loosening under vibration.
- Fully threaded design allows for maximum grip and uniform load distribution along the entire length.
- External hex drive and hex head facilitate easy installation and removal with standard tools, improving assembly efficiency.
- Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental safety regulations.
Professional Applications & Engineering Value
This Grade 5 steel hex head screw is engineered to address critical fastening challenges in heavy-duty industrial settings. Its UNF fine thread and Class 2A fit provide superior thread engagement, minimizing the risk of stripping and ensuring consistent clamping force in applications subject to vibration, such as machinery, automotive assemblies, and structural frameworks. The zinc plating enhances corrosion resistance, making it suitable for environments exposed to moisture or chemicals. With a tensile strength of 120,000 psi and full threading, it offers reliable performance in high-load scenarios, reducing maintenance needs and downtime. Ideal for industrial hex bolt applications, this screw delivers long-term reliability and compliance with key standards like ASME B18.2.1.
Specification Summary & Compliance
This screw features precise Class 2A thread fit and adheres to UNF fine thread standards with a size of 1/2"-20. Manufactured in accordance with ASME B18.2.1 and SAE J429 specifications, it ensures dimensional accuracy and performance reliability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global industrial use.
