S-90044A264 12-24 x 2 3/4" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 170,000 psi ensures reliable performance under extreme loads, reducing the risk of fastener failure in demanding applications.
• Superior corrosion resistance provided by the black-oxide finish on alloy steel, extending service life in harsh industrial environments.
• Precise Class 3A thread fit guarantees tight, secure connections with minimal backlash, enhancing assembly accuracy and vibration resistance.
• Fully threaded design maximizes grip and load distribution along the entire 2-3/4" length, offering consistent clamping force.
• Hex socket drive allows for high-torque installation with standard tools, facilitating efficient assembly and disassembly in confined spaces.
• Compliance with ASTM A574 ensures material integrity and manufacturing consistency, meeting rigorous industry standards for socket head cap screws.
• RoHS 3 and REACH compliance confirms environmental and safety adherence, making these screws suitable for global supply chains and regulated industries.

Professional Applications & Engineering Value

Engineered for heavy-duty industrial applications, these black-oxide alloy steel socket head cap screws address critical challenges in machinery, automotive, and construction sectors. The 12-24 UNC coarse threads and Class 3A fit provide excellent engagement in tapped holes, resisting loosening under vibration and dynamic loads. With a Rockwell C37 hardness and 170,000 psi tensile strength, they withstand high-stress conditions without deformation, ensuring long-term reliability. The fully threaded rod type and standard socket head profile enable easy installation in tight spaces, reducing assembly time and maintenance costs while meeting strict ASTM A574 specifications for consistent quality.

Specification Summary & Compliance

This product features precise 12-24 UNC coarse threads with a Class 3A thread fit for accurate assembly, and dimensions including a 2-3/4" length, 0.324" head diameter, and 5/32" hex drive size. It complies with ASTM A574 for material and manufacturing standards, and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safety and sustainability in industrial use.