S-92865A916 1"-8 x 3" 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 demanding applications
- Superior corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized fastening efficiency with fully threaded 3" length and coarse UNC thread pattern for quick installation
- Enhanced torque transmission via external hex drive and 1 1/2" head width for secure tightening with standard tools
- Consistent thread quality with Class 2A fit ensuring proper engagement and vibration resistance
- Proven material durability from Grade 5 steel with Rockwell C25 hardness for repeated use without deformation
- Regulatory compliance assurance meeting ASME, SAE, RoHS 3, and REACH standards for quality and safety
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver critical engineering solutions for heavy-duty industrial applications where vibration resistance and structural integrity are paramount. The zinc plated steel construction provides essential corrosion protection for outdoor equipment, machinery assemblies, and construction projects exposed to environmental elements. The 1"-8 UNC coarse thread design ensures rapid installation in steel frameworks and structural connections, while the external hex drive accommodates high-torque applications with standard wrenching tools. The fully threaded 3" length offers maximum grip range for variable material thicknesses, making these industrial fasteners ideal for manufacturing, infrastructure, and mechanical systems requiring 120,000 psi tensile strength reliability.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with 1"-8 UNC coarse thread specifications. Complies 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) compliance requirements for environmental safety and restricted substance control.
