S-92865A609 5/16"-18 x 6" 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 demanding applications
- Superior corrosion resistance through zinc plating extends service life in harsh environments
- Heavy-duty Grade 5 classification ensures consistent quality and mechanical properties
- Coarse UNC thread design delivers faster installation and superior holding power
- Precision Class 2A thread fit guarantees smooth assembly and consistent torque values
- External hex drive configuration allows for high-torque applications with standard tools
- Full threading along 6" length provides maximum engagement and load distribution
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these Grade 5 hex head screws deliver exceptional performance where reliability is critical. The zinc plated steel construction provides essential corrosion protection in manufacturing, construction, and machinery applications. The 5/16"-18 UNC coarse thread design ensures rapid installation while maintaining superior clamping force, making these fully threaded screws ideal for structural assemblies, equipment frames, and load-bearing connections. The combination of Rockwell C25 hardness and precise Class 2A thread fit prevents galling and ensures consistent torque performance throughout the fastener's service life, reducing maintenance requirements and downtime in industrial settings.
Specification Summary & Compliance
This 6" hex head screw features precision Class 2A thread fit with UNC coarse thread specifications (5/16"-18). Manufactured to meet ASME B18.2.1 and SAE J429 Grade 5 standards, ensuring dimensional accuracy and mechanical consistency. The product is RoHS 3 (2015/863/EU) Compliant and manufactured with zinc plating surface treatment for enhanced corrosion resistance. The external hex drive design accommodates standard wrenching tools while maintaining the specified 120,000 psi tensile strength requirements for industrial fastening applications.
