S-90128A161 1/2"-13 x 5/8" ASTM A574 Alloy Steel Socket Head Screws
Alloy Steel Socket 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 of 170,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
- Zinc-plated alloy steel construction provides excellent corrosion resistance, extending service life in demanding industrial environments.
- Class 3A thread fit offers precise, tight-tolerance engagement for secure fastening and vibration resistance.
- Hex socket drive design allows for high torque application and easy installation in confined spaces.
- Coarse UNC threading enables quick assembly and disassembly, improving maintenance efficiency.
- Full threading along the 5/8" length ensures maximum grip and load distribution across the entire fastener.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global supply chain requirements.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, these socket head cap screws deliver superior mechanical performance where reliability is critical. The zinc-plated alloy steel material resists corrosion in harsh conditions, while the 1/2"-13 UNC coarse thread and Class 3A fit provide secure, vibration-resistant connections in machinery, automotive assemblies, and structural frameworks. The hex drive socket enables efficient installation with standard tools, reducing assembly time. Ideal for applications requiring high tensile strength and precise thread engagement, these fasteners solve common engineering challenges like joint integrity and long-term durability in dynamic load environments.
Specification Summary & Compliance
This socket head cap screw features a 1/2"-13 UNC coarse thread with Class 3A fit for precise dimensional accuracy. It is manufactured in accordance with ASTM A574 specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, meeting environmental and safety standards for industrial use.
