S-92865A179 5/8"-11 x 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 industrial applications
- Superior corrosion resistance through zinc plating for extended service life in harsh environments
- Precise Class 2A thread fit provides consistent engagement and reduces assembly issues
- Fully threaded UNC coarse pattern delivers maximum holding power and faster installation
- Rockwell C25 hardness maintains structural integrity under heavy loads and vibration
- External hex drive design allows for high-torque installation with standard tools
- Grade 5 strength classification guarantees consistent mechanical properties for critical applications
Professional Applications & Engineering Value
This Grade 5 steel hex head screw with 5/8"-11 UNC coarse threading is engineered to solve critical fastening challenges in industrial environments. The combination of 120,000 PSI tensile strength and Rockwell C25 hardness provides exceptional resistance to shear forces and vibration loosening, making it ideal for heavy machinery, structural steel connections, and equipment manufacturing. The zinc plated finish offers superior corrosion protection in demanding conditions, while the fully threaded UNC coarse pattern ensures maximum grip length and faster assembly times. The external hex drive design accommodates high-torque applications where reliability is paramount, and the Class 2A thread fit guarantees consistent performance across production runs.
Specification Summary & Compliance
This fastener features 5/8"-11 UNC coarse threading with Class 2A thread fit tolerance for precision engagement. Manufactured to Grade 5 strength specifications with Rockwell C25 hardness and 120,000 PSI tensile strength. Compliant with ASME B18.2.1 and SAE J429 standards for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental compliance requirements.
