S-90665A129 10-24 x 1" ASTM A574 Alloy Steel Low-Profile Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional tensile strength of 140,000 psi ensures reliable performance under high-stress conditions, reducing the risk of fastener failure.
• Superior corrosion resistance from zinc plating protects against rust and extends service life in harsh industrial environments.
• Precise Class 3A thread fit provides tight, secure connections with minimal play, enhancing assembly accuracy and vibration resistance.
• Low-profile socket head design allows for installation in confined spaces while maintaining high torque capability with a 3/32" hex drive.
• High hardness rating (Rockwell C39) offers excellent wear resistance, maintaining thread integrity through repeated use.
• Full threading along the 1" length enables flexible positioning and uniform load distribution across the entire fastener.
• Compliance with ASTM A574, RoHS 3, and REACH ensures material consistency, environmental safety, and global regulatory acceptance.

Professional Applications & Engineering Value

This 10-24 UNC socket head cap screw is engineered to address critical fastening challenges in demanding sectors like machinery assembly, automotive systems, and precision equipment. The zinc-plated alloy steel construction combats corrosion in humid or chemically exposed settings, while the coarse UNC thread and Class 3A fit deliver rapid installation and secure clamping force, minimizing loosening from vibrations. Its low-profile head and compact hex drive are ideal for applications with limited clearance, such as enclosures or structural frames, where accessibility is constrained. By integrating high tensile strength and rigorous standards compliance, this fastener provides a dependable solution for OEMs and maintenance teams seeking durability and regulatory adherence in industrial fasteners.

Specification Summary & Compliance

This product adheres to precise dimensional tolerances, including Class 3A thread fit for superior engagement and UNC coarse threading with a 10-24 size. Manufacturing follows ASTM A574 specifications for alloy steel socket head cap screws, ensuring consistent quality and performance. Compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) confirms the absence of hazardous substances, supporting safe use in regulated markets.