S-92865A805 5/8"-11 x 2 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 demanding applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the zinc plating extends service life, even in harsh industrial environments.
- Coarse UNC threading provides faster assembly and better performance in materials prone to stripping or galling.
- Class 2A thread fit offers consistent, reliable engagement for secure fastening without binding.
- Grade 5 strength classification guarantees high durability and load-bearing capacity for heavy-duty use.
- External hex drive design allows for high torque application with standard tools, simplifying installation and removal.
- Full threading along the entire length ensures maximum grip and adjustability in various material thicknesses.
Professional Applications & Engineering Value
This 5/8"-11 UNC Grade 5 hex head screw is engineered to address critical challenges in heavy-duty industrial applications where vibration, high loads, and environmental factors are concerns. The zinc plated steel construction provides a robust barrier against corrosion, significantly extending the fastener's lifespan in outdoor or humid conditions. The coarse thread (UNC) design is particularly effective in soft materials or where rapid assembly is required, reducing cross-threading risks. With a Rockwell C25 hardness and fully threaded shank, it delivers consistent clamping force and resists shear forces in structural frameworks, machinery, and construction projects, ensuring long-term operational integrity.
Specification Summary & Compliance
This fastener meets Class 2A thread fit tolerances for consistent performance and is manufactured in accordance with ASME B18.2.1 and SAE J429 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material restrictions are adhered to.
