S-92941A722 1/2"-13 x 2 1/2" ASME B18.2.1 Brass Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from high-quality brass material, ensuring long-term reliability in harsh industrial environments
• Exceptional mechanical strength with 50,000 psi tensile strength and Rockwell B55 hardness for heavy-duty applications
• Optimized torque transmission through external hex drive design with 3/4" head width for secure installation
• Reliable coarse threading with UNC 1/2"-13 pattern and Class 2A fit for quick assembly and vibration resistance
• Precision partial threading design with 1 1/4" minimum thread length for controlled clamping force distribution
• Full regulatory compliance meeting ASME B18.2.1 standards and environmental regulations including RoHS 3 and REACH
• Versatile inch-system compatibility with 2 1/2" overall length for broad industrial application requirements

Professional Applications & Engineering Value

This brass hex head screw delivers exceptional engineering value through its corrosion-resistant brass construction and heavy-duty mechanical properties. The combination of Rockwell B55 hardness and 50,000 psi tensile strength makes it ideal for demanding applications where both durability and non-magnetic properties are essential. The 1/2"-13 UNC coarse threading ensures rapid installation and superior vibration resistance in industrial equipment, electrical enclosures, and marine applications. The partially threaded design provides precise clamping control while the external hex drive enables high-torque installation without stripping. This fastener solves critical challenges in corrosive environments where steel fasteners would fail, offering maintenance-free performance in plumbing systems, chemical processing equipment, and outdoor electrical installations.

Specification Summary & Compliance

This precision hex head screw features Class 2A thread fit tolerance with 1/2"-13 UNC coarse threading and 2 1/2" overall length. Manufactured to ASME B18.2.1 specifications for dimensional accuracy and performance reliability. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across global industrial markets. Threading is partially applied with 1 1/4" minimum thread length and meets all mechanical requirements for brass fasteners in inch measurement systems.