S-91236A872 3/4"-10 x 14" ASME B18.2.1, ASTM A307 Low-Strength Steel Hex Head Screws
Low-Strength 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 load-bearing capacity with 60,000 psi tensile strength for reliable performance in demanding applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized torque transmission with external hex drive and 1 1/8" head width for secure installation
- Enhanced assembly efficiency with coarse UNC threads and Class 2A fit for faster engagement
- Reduced material stress concentration through partially threaded design for improved structural integrity
- Consistent mechanical properties with Rockwell B69 hardness ensuring dimensional stability under load
- Regulatory compliance assurance meeting ASME B18.2.1, RoHS 3, and REACH standards for global acceptance
Professional Applications & Engineering Value
This 3/4"-10 UNC hex head screw delivers critical engineering solutions for heavy-duty industrial applications requiring robust fastening performance. The steel construction with zinc plating provides essential corrosion protection in manufacturing facilities, construction sites, and machinery assembly where environmental exposure is a concern. The coarse thread design ensures rapid installation in structural steel connections, equipment bases, and large-scale assemblies, while the partially threaded configuration concentrates clamping force precisely where needed. With external hex drive compatibility, maintenance personnel can achieve proper torque values using standard tools, reducing installation time and ensuring consistent joint integrity across multiple connection points in industrial frameworks.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 specifications with ASTM A307 material standards, this hex head screw features Class 2A thread fit for consistent engagement and UNC coarse threading with precise dimensional control. The product maintains full compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental responsibility while delivering reliable mechanical performance with 60,000 psi tensile strength and Rockwell B69 hardness for industrial-grade applications.
