S-91251A794 5/8"-11 x 1" 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: Withstands up to 170,000 psi, ensuring reliable performance in high-stress industrial applications.
- Superior Corrosion Resistance: Black-oxide finish on alloy steel provides enhanced durability against rust and wear in harsh environments.
- Precise Thread Fit: Class 3A thread fit guarantees tight, secure fastening with minimal risk of loosening under vibration.
- High Hardness Rating: Rockwell C37 hardness offers excellent resistance to deformation and extends service life.
- Easy Installation: Standard 1/2" hex drive allows for quick, tool-compatible assembly without slippage.
- Full Thread Engagement: Fully threaded design ensures maximum grip and load distribution along the entire 1" length.
- Compliance with Industry Standards: Meets ASTM A574 specifications and environmental regulations like RoHS 3 and REACH for safe, global use.
Professional Applications & Engineering Value
This 5/8"-11 socket head cap screw is engineered from black-oxide alloy steel to address critical challenges in heavy-duty machinery, automotive, and construction sectors. Its UNRC coarse thread and Class 3A fit provide superior clamping force and vibration resistance, reducing maintenance needs in dynamic environments. The combination of high tensile strength and Rockwell C37 hardness ensures it handles extreme loads without stripping or shearing, making it ideal for industrial fasteners in assemblies requiring reliable, long-term performance. The fully threaded right-hand design allows for uniform stress distribution, minimizing point failures and enhancing structural integrity in demanding applications.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including a Class 3A thread fit for tight tolerances and UNRC coarse thread with 5/8"-11 size. It complies with ASTM A574 manufacturing specifications for high-strength socket screws, and meets environmental regulations such as RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), ensuring it is free from hazardous substances and suitable for global industrial use.
