S-90128A531 5/8"-11 x 5" 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 for reliable performance in high-stress applications, reducing the risk of fastener failure.
- Superior corrosion resistance provided by the zinc-plated alloy steel material, extending service life in harsh industrial environments.
- Precise Class 3A thread fit ensures tight, secure fastening with minimal backlash, ideal for critical assemblies.
- Robust Rockwell C37 hardness offers excellent wear resistance, maintaining thread integrity through repeated use.
- Deep 1/2" hex drive socket allows for high-torque installation with standard tools, speeding up assembly processes.
- Partially threaded design with a 2" minimum thread length provides optimal grip and clamping force where needed.
- Compliance with ASTM A574, RoHS 3, and REACH guarantees material quality and environmental safety for global supply chains.
Professional Applications & Engineering Value
This 5/8"-11 UNC Socket Head Cap Screw is engineered to address common industrial challenges such as vibration loosening and material fatigue. The zinc-plated alloy steel construction provides a durable barrier against rust and corrosion, making it suitable for outdoor machinery, automotive assemblies, and heavy equipment. The coarse UNC thread and Class 3A fit ensure quick, secure fastening in high-vibration environments, reducing maintenance downtime. Its partially threaded rod design concentrates clamping force effectively, preventing joint failure in structural applications. Ideal for use in construction, manufacturing, and aerospace sectors, this screw delivers consistent performance where reliability is critical.
Specification Summary & Compliance
This socket head cap screw features a 5/8"-11 UNC coarse thread with a Class 3A thread fit for precise dimensional accuracy. It meets ASTM A574 specifications for high-strength alloy steel fasteners and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to international safety and environmental standards.
