S-93075A299 12-24 x 1 1/2" ASME B18.6.3 Low-Strength Steel Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with zinc plating, extending service life in demanding industrial environments
• High tensile strength of 60,000 psi ensures reliable performance under heavy loads and vibration
• Class 2A thread fit provides smooth assembly and consistent engagement for efficient installation
• Fully threaded design offers maximum grip and holding power across the entire fastener length
• External hex drive with standard head dimensions allows for easy installation using common tools
• Rockwell B69 hardness delivers excellent durability and resistance to wear and deformation
• Coarse UNC threading enables quick assembly and reduced cross-threading risks in various materials

Professional Applications & Engineering Value

These 12-24 UNC coarse thread hex head screws are engineered to address critical challenges in industrial assembly, machinery, and structural applications. The zinc plated steel construction provides essential corrosion protection, reducing maintenance needs in humid or exposed environments. The coarse thread design ensures rapid installation and reliable performance in softer materials or where vibration resistance is paramount. With a 60,000 psi tensile strength and external hex drive, these screws deliver consistent clamping force and withstand high-stress conditions, making them ideal for automotive, construction, and heavy equipment applications where durability and regulatory compliance are non-negotiable.

Specification Summary & Compliance

This 1-1/2" hex head screw features precise Class 2A thread fit per UNC standards, ensuring dimensional accuracy and interchangeability. Manufactured to meet ASME B18.6.3 specifications for dimensional and mechanical requirements. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material restrictions adherence for global industrial use.