S-91274A182 5/8"-11 x 1" 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 applications, reducing the risk of fastener failure.
- Superior corrosion resistance provided by the zinc-flake coating, extending service life in harsh industrial environments.
- Precise Class 3A thread fit guarantees tight tolerances and smooth installation, minimizing assembly errors and rework.
- High hardness rating of Rockwell C37 enhances wear resistance, maintaining thread integrity over repeated use.
- Fully threaded design allows for consistent clamping force along the entire length, ideal for demanding mechanical assemblies.
- Standard hex drive compatibility with 1/2" drive size enables easy installation using common tools, saving time and labor costs.
- Compliance with major standards including ASME B18.3 and ASTM A574 ensures product reliability and interchangeability in global markets.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this 5/8"-11 UNC socket head cap screw addresses critical challenges in machinery, automotive, and construction sectors. The zinc-flake-coated alloy steel construction combats corrosion and wear, while the coarse thread spacing and Class 3A thread fit provide secure fastening in high-vibration environments. Its fully threaded and right-hand thread design ensures uniform load distribution, reducing stress concentrations and preventing loosening. By meeting ASME B18.3 and ASTM A574 specifications, it offers consistent performance in industrial socket screw assemblies, enhancing operational safety and reducing maintenance downtime.
Specification Summary & Compliance
This socket head cap screw features a Class 3A thread fit with UNC coarse thread spacing and 5/8"-11 thread size, ensuring precise dimensional accuracy per ASME B18.3 and ASTM A574 standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, supporting environmentally responsible sourcing and use in global industrial applications.
