S-92865A711 1/2"-13 x 7/8" 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 tensile strength rated at 120,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
- Superior corrosion resistance from zinc plating extends service life and maintains integrity in humid or outdoor industrial environments.
- Full UNC coarse threading provides faster installation and better debris resistance, ideal for quick assembly in construction and machinery.
- Class 2A thread fit guarantees consistent, precise engagement with nuts and tapped holes, minimizing cross-threading and improving assembly efficiency.
- High hardness (Rockwell C25) enhances wear resistance and durability, ensuring the screw withstands repeated torque and load without deformation.
- External hex drive design allows for easy tightening with standard tools, speeding up maintenance and reducing labor time in B2B settings.
- Compliance with ASME B18.2.1 and SAE J429 standards ensures interoperability and reliability, meeting rigorous industrial quality requirements.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this Grade 5 hex head screw combines high-strength steel and zinc plating to address common challenges like corrosion and mechanical stress. The UNC coarse thread and fully threaded design enable secure fastening in materials prone to vibration, such as machinery frames and structural assemblies, while the external hex drive simplifies installation with standard wrenches. Ideal for construction, automotive, and equipment manufacturing, it ensures long-term reliability by resisting environmental wear and maintaining 120,000 PSI tensile strength, reducing maintenance needs and downtime in B2B operations.
Specification Summary & Compliance
This screw features a 1/2"-13 UNC thread size with Class 2A thread fit for precise dimensional accuracy, manufactured in accordance with ASME B18.2.1 and SAE J429 specifications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and adherence to global industrial standards.
