S-90044A156 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 from the black-oxide finish extends service life in harsh industrial environments, minimizing maintenance needs.
- Precise Class 3A thread fit provides secure, vibration-resistant connections, enhancing assembly integrity and safety.
- High hardness (Rockwell C37) offers excellent wear resistance, maintaining thread integrity through repeated use.
- Fully threaded design allows for maximum grip and adjustability across the entire 6" length, accommodating various material thicknesses.
- 5/16" hex drive enables easy installation with standard tools, speeding up assembly while reducing stripping risks.
- Compliance with ASTM A574, RoHS 3, and REACH ensures material consistency and environmental safety for global industrial use.
Professional Applications & Engineering Value
Engineered for demanding industrial settings, these black-oxide alloy steel socket head cap screws address critical challenges like vibration loosening and environmental degradation. The UNC coarse thread and Class 3A fit provide superior holding power in machinery, automotive, and heavy equipment assemblies, where precise torque and durability are paramount. The fully threaded rod type allows for flexible positioning in structural frameworks, while the corrosion-resistant coating ensures longevity in humid or chemically exposed environments. By integrating high tensile strength with standardized hex drive compatibility, these screws streamline maintenance and reduce downtime in industrial applications.
Specification Summary & Compliance
This socket head cap screw adheres to UNC thread standards with a Class 3A thread fit for tight tolerances and consistent performance. Manufacturing follows ASTM A574 specifications, ensuring material and dimensional accuracy. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial procurement.
