S-92865A714 1/2"-13 x 1 1/4" 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 load-bearing capacity with 120,000 PSI tensile strength for reliable performance in high-stress applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized thread engagement with UNC coarse threading and Class 2A fit for faster installation and vibration resistance
- Enhanced drive stability featuring external hex drive and 3/4" head width for secure tool engagement and torque transmission
- Consistent mechanical properties with Rockwell C25 hardness ensuring dimensional stability under load
- Full-threaded design providing maximum grip length and uniform stress distribution along the entire fastener
- Regulatory compliance assurance meeting ASME B18.2.1 and SAE J429 specifications for quality and interoperability
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where joint integrity is paramount. The zinc plated steel construction provides essential corrosion protection in manufacturing environments, while the UNC coarse thread pattern enables rapid assembly in structural steel connections and machinery frames. The external hex drive design allows for high-torque installation using standard tools, preventing cam-out in high-vibration settings. With fully threaded coverage along the 1¼" length, these fasteners distribute clamp load evenly across connected materials, making them ideal for construction equipment, industrial machinery, and automotive assemblies where 120,000 PSI tensile strength ensures joint reliability under dynamic loads.
Specification Summary & Compliance
Manufactured to precise dimensional standards with Class 2A thread fit tolerances and UNC coarse thread specifications (1/2"-13). Compliant with ASME B18.2.1 and SAE J429 Grade 5 requirements for mechanical properties and dimensional accuracy. Meets environmental regulations including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance for restricted substance control.
