S-90128A765 5/16"-24 x 2" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 PSI ensures reliable performance under high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance provided by zinc-plated alloy steel extends service life and maintains integrity in harsh or outdoor environments.
• Precise Class 3A thread fit guarantees tight, secure fastening with minimal play, ideal for applications requiring high vibration resistance and accuracy.
• Fine thread spacing (UNF) offers improved adjustment control and higher load distribution compared to coarse threads, enhancing joint stability.
• Partially threaded design allows for effective clamping force concentration where needed, preventing loosening in dynamic assemblies.
• 1/4" hex drive compatibility enables easy installation with standard tools, reducing assembly time and improving workflow efficiency.
• Compliance with ASTM A574, RoHS 3, and REACH ensures adherence to rigorous industry standards and environmental regulations, providing peace of mind for regulated sectors.

Professional Applications & Engineering Value

Engineered for precision and durability, these 5/16"-24 UNF socket head cap screws address critical challenges in industrial settings where fastener reliability is paramount. The zinc-plated alloy steel construction combats corrosion, making them suitable for machinery exposed to moisture or chemicals. With a fine thread spacing and Class 3A thread fit, they deliver superior clamping force and vibration resistance, essential for high-precision equipment, automotive assemblies, and aerospace components. The partially threaded rod design focuses stress on the engaged section, minimizing the risk of thread stripping in repetitive load scenarios. Ideal for applications requiring high tensile strength and consistent performance, these screws ensure long-term operational safety and reduce maintenance downtime in demanding engineering environments.

Specification Summary & Compliance

This product features a 5/16"-24 UNF thread with Class 3A thread fit for precise dimensional accuracy, ensuring reliable engagement in fine-thread applications. Manufactured to meet ASTM A574 specifications, it guarantees consistent quality and performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms adherence to environmental and safety standards, supporting sustainable procurement practices.