S-93516A169 1/2"-13 x 5/8" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for extended service life in marine and harsh chemical environments thanks to 651 Silicon Bronze construction
• High tensile strength of 70,000 PSI ensures reliable, secure fastening under significant load and stress
• Excellent durability with Rockwell B70 hardness to resist wear, galling, and deformation during installation and use
• Optimal drive engagement provided by the external hex head design for easy installation with standard tools
• Enhanced holding power from the fully threaded UNC coarse pattern, which facilitates quicker assembly and better grip in various materials
• Precise dimensional fit with Class 2A thread tolerance for consistent, reliable performance in industrial assemblies
• Compliance with major industry standards including ASME B18.2.1, ensuring quality and interoperability in professional applications

Professional Applications & Engineering Value

This 1/2"-13 UNC Hex Head Screw is specifically engineered to address critical challenges in demanding environments. Manufactured from 651 Silicon Bronze, it offers exceptional resistance to saltwater corrosion and chemical exposure, making it an ideal choice for marine applications, coastal construction, and chemical processing plants. The coarse UNC thread and fully threaded design provide superior pull-out resistance and faster installation in wood, soft metals, and composite materials, reducing assembly time while maintaining joint integrity. With an external hex drive and robust head dimensions, it ensures high torque capability without stripping, delivering reliable performance in structural fastening, shipbuilding, and offshore equipment where failure is not an option.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC thread with Class 2A fit for precise dimensional accuracy and easy assembly. It is manufactured in compliance with the ASME B18.2.1 standard, ensuring consistent quality and mechanical properties. The product also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulatory requirements, confirming its safety and environmental compliance for industrial and international use.