S-92865A765 9/16"-12 x 2" 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 and Grade 5 classification, these screws reliably handle high-stress applications without failure.
- Superior Corrosion Resistance: Zinc plating provides a durable protective barrier, extending service life in demanding industrial environments.
- Optimized Thread Engagement: UNC coarse thread design ensures faster installation and reduced cross-threading risk in coarse-grained materials.
- Secure Torque Transmission: External hex drive with 13/16" head width delivers maximum wrench grip for precise tightening control.
- Consistent Performance Standards: Manufactured to ASME B18.2.1 specifications, guaranteeing dimensional accuracy and Class 2A thread fit for reliable assembly.
- Enhanced Durability: Rockwell C25 hardness maintains structural integrity under repeated vibration and load cycles.
- Full Thread Versatility: 2" fully threaded design provides continuous grip along the entire length for adjustable fastening depth.
Professional Applications & Engineering Value
These 9/16"-12 UNC hex head screws solve critical challenges in heavy machinery, structural steel framing, and industrial equipment assembly. The Grade 5 steel construction delivers optimal strength-to-weight ratio, while the coarse thread profile prevents loosening in high-vibration environments. The zinc plating surface treatment resists oxidation in humid conditions, making these fully threaded fasteners ideal for outdoor infrastructure and manufacturing applications. Engineers specify these industrial hex bolts for their predictable performance in load-critical joints, where the external hex drive enables high-torque installation with standard tools.
Specification Summary & Compliance
Manufactured to ASME B18.2.1 dimensional standards with Class 2A thread fit tolerance for consistent assembly. UNC coarse thread specification (9/16"-12) ensures compatibility with standard components. Compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. Meets SAE J429 Grade 5 mechanical properties including 120,000 psi tensile strength and Rockwell C25 hardness requirements.
