S-92865A259 1/2"-13 x 4 3/4" 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 ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- Zinc plating provides superior corrosion resistance, extending service life in harsh industrial environments and reducing maintenance costs.
- Grade 5 classification and Rockwell C25 hardness deliver consistent durability and wear resistance for long-term fastening integrity.
- Coarse UNC threads and Class 2A fit enable quick, secure installation with standard tools, minimizing assembly time and errors.
- Partially threaded design allows for precise clamping force control, ideal for applications requiring specific grip ranges.
- External hex drive and hex head facilitate easy tightening with common wrenches, enhancing installation efficiency.
- Compliance with ASME, SAE, RoHS 3, and REACH standards ensures product reliability and environmental safety for global industrial use.
Professional Applications & Engineering Value
This 1/2"-13 UNC Grade 5 hex head screw is engineered to address critical fastening challenges in heavy-duty industrial applications, such as machinery assembly, structural frameworks, and equipment manufacturing. The zinc plated steel construction combats corrosion in demanding environments, while the coarse thread and Class 2A thread fit provide secure engagement in various materials, reducing loosening under vibration. With partial threading, it offers optimized stress distribution, preventing joint failure in dynamic loads. Ideal for sectors requiring high-strength fasteners that meet rigorous ASME B18.2.1 and SAE J429 specifications, this screw ensures dependable performance in automotive, construction, and manufacturing projects.
Specification Summary & Compliance
This fastener features a 1/2"-13 UNC coarse thread with Class 2A thread fit for standard tolerance, ensuring precise compatibility. It adheres to ASME B18.2.1 and SAE J429 manufacturing standards, guaranteeing dimensional accuracy and performance. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, it meets environmental and safety requirements for industrial use.
