S-92865A837 3/4"-10 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
- Superior load-bearing capability with 120,000 psi tensile strength, ensuring reliable performance in high-stress applications
- Enhanced corrosion resistance through zinc plating, extending service life in harsh industrial environments
- Optimized thread engagement with Class 2A coarse UNC threads, providing faster assembly and reduced cross-threading risks
- Consistent mechanical properties from Grade 5 certification and Rockwell C25 hardness, guaranteeing uniform performance across batches
- Maximum grip strength with full threading along the 1 1/4" length, eliminating weak points in fastened joints
- Secure torque transmission via external hex drive and 1 1/8" head width, preventing tool slippage during installation
- Regulatory compliance assurance meeting ASME B18.2.1, RoHS 3, and REACH standards for global industrial acceptance
Professional Applications & Engineering Value
These Grade 5 hex head screws deliver critical reliability for structural assemblies, heavy machinery, and construction applications where vibration resistance and joint integrity are paramount. The zinc plated steel construction combats environmental degradation while the coarse UNC threading maintains holding power in softer materials and high-vibration environments. Engineered with fully threaded design and external hex drive, they eliminate common failure points in bolted connections while enabling efficient installation with standard tools. The combination of 120,000 psi tensile strength and Rockwell C25 hardness ensures these fasteners withstand dynamic loads without deformation, making them ideal for automotive, industrial equipment, and infrastructure projects demanding predictable, long-term performance.
Specification Summary & Compliance
Manufactured to precise Class 2A thread fit tolerances with 3/4"-10 UNC coarse threads and right-hand orientation. Complies with ASME B18.2.1 and SAE J429 specifications for dimensional accuracy and mechanical properties. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring restricted substance compliance for industrial applications worldwide.
