S-91251A460 12-24 x 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 high-stress conditions, reducing the risk of fastener failure in demanding applications.
• Corrosion-resistant black-oxide finish on alloy steel provides enhanced durability and longevity, ideal for industrial environments where moisture or chemicals are present.
• Precise Class 3A thread fit offers superior engagement and vibration resistance, minimizing loosening and maintaining assembly integrity over time.
• Fully threaded design allows for consistent clamping force along the entire length, facilitating secure fastening in various material thicknesses.
• Hex socket drive (5/32") enables easy installation with standard tools, reducing assembly time and improving efficiency in high-volume production.
• Compliance with ASTM A574 guarantees material quality and manufacturing consistency, ensuring reliable performance in critical engineering applications.
• RoHS 3 and REACH compliance ensures environmental safety and regulatory adherence, making it suitable for global supply chains and sensitive industries.

Professional Applications & Engineering Value

This 12-24 UNC thread socket head cap screw is engineered to address common industrial challenges, such as vibration-induced loosening and corrosion in harsh environments. The black-oxide alloy steel construction, combined with a Rockwell C37 hardness, provides excellent wear resistance and strength, making it ideal for heavy machinery, automotive assemblies, and precision equipment. The coarse thread and Class 3A fit ensure quick installation and reliable holding power, reducing maintenance needs and downtime. Its fully threaded design offers versatility in applications requiring uniform load distribution, while the hex drive allows for tight spaces and high-torque applications. By meeting ASTM A574 standards, this fastener delivers consistent quality for critical industrial fastening solutions, enhancing overall system reliability.

Specification Summary & Compliance

This product features a 12-24 UNC coarse thread with a Class 3A thread fit for precise dimensional accuracy, ensuring secure fastening and compatibility with standard components. It adheres to ASTM A574 specifications for material and manufacturing quality, and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industries.