S-90128A525 5/8"-11 x 3 1/2" 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 in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance from zinc plating extends service life, even in demanding industrial environments.
- Precise Class 3A thread fit provides consistent engagement and vibration resistance, minimizing loosening over time.
- Coarse UNC threading allows for faster installation and easier assembly in various materials.
- Partially threaded design offers optimal clamping force control, ideal for applications requiring specific grip lengths.
- High hardness (Rockwell C37) enhances wear resistance, maintaining thread integrity through repeated use.
- Standard hex drive compatibility with 1/2" tools enables quick and secure tightening in confined spaces.
Professional Applications & Engineering Value
These zinc-plated alloy steel socket head cap screws are engineered to address critical challenges in heavy-duty industrial settings. The 5/8"-11 UNC coarse thread design ensures rapid installation and robust holding power in machinery, construction equipment, and automotive assemblies, where vibration resistance is paramount. With a partially threaded configuration, they provide precise clamping without unnecessary thread engagement, reducing stress concentrations. The high tensile strength and Rockwell C37 hardness make them suitable for applications demanding durability under dynamic loads, such as in manufacturing fixtures or structural frameworks. Compliant with ASTM A574, these screws deliver consistent quality for engineers seeking reliable industrial fastening solutions that minimize maintenance downtime.
Specification Summary & Compliance
This product features a Class 3A thread fit for tight tolerances and a coarse UNC thread with a size of 5/8"-11. It is manufactured in accordance with ASTM A574 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material integrity.
