S-91274A392 7/16"-14 x 1 1/2" ASME B18.3, ASTM A574, ASTM B117 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 industrial applications, reducing the risk of fastener failure.
- Superior corrosion resistance from the zinc-flake coating protects against harsh environments, extending service life and minimizing maintenance needs.
- Precise Class 3A thread fit with UNC coarse threading provides secure, vibration-resistant connections for stable assemblies.
- High hardness rating (Rockwell C37) enhances wear resistance, maintaining thread integrity through repeated use and adjustments.
- Standard hex drive (3/8") allows for easy installation and removal with common tools, improving assembly efficiency.
- Full threading along the 1-1/2" length offers versatile fastening depth and uniform load distribution in various materials.
- Compliance with ASME B18.3 and ASTM A574 guarantees consistent quality and interoperability in professional settings.
Professional Applications & Engineering Value
This Socket Head Cap Screw is engineered to address critical challenges in heavy-duty machinery, automotive, and construction sectors. The zinc-flake-coated alloy steel construction combats corrosion in outdoor or chemically exposed environments, while the UNC coarse thread and Class 3A fit ensure rapid assembly and high resistance to loosening under dynamic loads. Its 170,000 PSI tensile strength and Rockwell C37 hardness make it ideal for applications demanding durability and reliability, such as securing structural components or high-torque equipment. By integrating standardized dimensions and robust materials, this fastener minimizes downtime and enhances the longevity of industrial assemblies.
Specification Summary & Compliance
This product adheres to ASME B18.3 and ASTM A574 specifications, ensuring dimensional accuracy and performance consistency. The UNC 7/16"-14 coarse thread maintains a Class 3A fit for precise engagement, with full threading along the 1-1/2" length. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible and safe usage in global markets.
