S-92941A718 1/2"-13 x 1 3/4" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ideal for harsh industrial environments and moisture-prone applications
• Exceptional tensile strength of 50,000 PSI ensures reliable, long-lasting fastening under heavy mechanical loads
• Rockwell B55 hardness provides excellent durability and resistance to wear, deformation, and galling during installation
• Class 2A thread fit with UNC coarse threading offers easier assembly, reduced cross-threading risk, and consistent engagement in various materials
• Full threading along the 1-3/4" length maximizes grip strength and allows for adjustable positioning in deep or variable-thickness materials
• External hex drive with 3/4" head width enables high-torque installation using standard wrenches for secure, efficient fastening
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees industry-standard quality, safety, and environmental responsibility

Professional Applications & Engineering Value

These 1/2"-13 UNC brass hex head screws deliver critical performance in demanding industrial settings where corrosion resistance and mechanical reliability are paramount. The brass construction inherently resists rust and galvanic corrosion, making these fasteners ideal for marine equipment, plumbing systems, electrical enclosures, and outdoor machinery. The coarse UNC thread design ensures quick installation and strong holding power in soft materials like wood, plastic, and non-ferrous metals, while the Class 2A thread fit maintains precision for repeated disassembly and reassembly without thread damage. With a 50,000 PSI tensile strength and Rockwell B55 hardness, these screws withstand vibration, shock loads, and high-stress conditions in heavy-duty applications such as structural frameworks, industrial machinery, and automotive assemblies, providing engineers with a dependable, long-term fastening solution.

Specification Summary & Compliance

This brass hex head screw features a 1/2"-13 UNC coarse thread with Class 2A fit for standardized dimensional accuracy and easy assembly. The fastener is manufactured to meet ASME B18.2.1 specifications, ensuring consistent quality and performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting environmental safety in industrial supply chains.