S-91251A084 10-24 x 3" ASTM A574 Alloy Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional strength and durability with 170,000 psi tensile strength and Rockwell C37 hardness for reliable performance in high-stress applications.
• Superior corrosion resistance thanks to the black-oxide coating, extending service life in harsh industrial environments.
• Precise and secure fastening with Class 3A thread fit and 10-24 UNC coarse thread, ensuring tight tolerances and reduced loosening.
• Easy installation and removal using a standard 5/32" hex drive, compatible with common tools for efficient assembly.
• Optimized load distribution from the partially threaded design, providing strong grip where needed without unnecessary threading.
• Compliance with industry standards including ASTM A574, RoHS 3, and REACH, guaranteeing safety and environmental responsibility.
• Versatile right-hand thread direction for standard applications, facilitating straightforward use across various machinery and equipment.

Professional Applications & Engineering Value

This black-oxide alloy steel socket head cap screw is engineered to address critical challenges in industrial settings, such as vibration-induced loosening and corrosion in demanding environments. Its high tensile strength of 170,000 psi and Rockwell C37 hardness ensure it withstands heavy loads and repetitive stress, making it ideal for machinery, automotive assemblies, and construction equipment. The partially threaded 10-24 UNC design with Class 3A fit provides precise engagement, reducing the risk of thread stripping and improving joint integrity. Additionally, the black-oxide coating offers enhanced corrosion resistance, prolonging lifespan in humid or abrasive conditions. By incorporating right-hand threads and a standard hex drive, it simplifies maintenance and reduces downtime, delivering reliable performance for B2B procurement needs in sectors like manufacturing and engineering.

Specification Summary & Compliance

This socket head cap screw adheres to inch system measurements with precise dimensions, including a thread size of 10-24 UNC, Class 3A thread fit for tight tolerances, and a minimum thread length of 7/8". It meets ASTM A574 specifications for high-strength fasteners and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and material reliability in industrial applications.