S-90128A657 3/8"-16 x 6" 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 provided by zinc plating, extending service life and maintaining integrity in demanding environments.
- Precise Class 3A thread fit guarantees secure, vibration-resistant connections, minimizing loosening in critical assemblies.
- High hardness rating (Rockwell C37) enhances wear resistance and durability, ideal for repeated use in industrial settings.
- Hex socket drive design allows for high-torque installation with standard tools, enabling efficient assembly and maintenance.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material quality and environmental safety, meeting global industry standards.
- Partially threaded shank provides optimal grip and clamping force, suitable for a wide range of mounting applications.
Professional Applications & Engineering Value
Engineered for heavy-duty industrial applications, this 3/8"-16 UNC socket head cap screw addresses critical challenges in machinery, automotive, and construction sectors. The zinc-plated alloy steel construction combats corrosion and wear, while the coarse thread and Class 3A fit ensure rapid, secure fastening even in high-vibration environments. Its 170,000 PSI tensile strength and Rockwell C37 hardness provide dependable performance under extreme loads, reducing maintenance needs and downtime. The hex drive facilitates easy installation in confined spaces, making it a versatile choice for engineers seeking durable, compliant industrial fasteners that meet rigorous ASTM A574 specifications.
Specification Summary & Compliance
This screw adheres to UNC coarse thread standards with a precise Class 3A thread fit for consistent engagement. Dimensions include a 3/8"-16 thread size, 6" length, and 5/16" hex drive. It conforms to ASTM A574 manufacturing specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability.
