S-93516A753 5/8"-11 x 2 1/4" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance from 651 Silicon Bronze material, ideal for marine and harsh industrial environments where rust prevention is critical
• High tensile strength of 70,000 PSI ensures reliable load-bearing capacity and structural integrity under demanding conditions
• Rockwell B70 hardness provides superior durability and resistance to wear, extending service life in high-stress applications
• Fully threaded UNC coarse pattern delivers maximum grip and holding power for secure fastening in various materials
• Class 2A thread fit guarantees consistent, precise engagement with standard nuts and tapped holes, reducing assembly time
• External hex drive design allows for easy installation and removal with common tools, improving maintenance efficiency
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures adherence to industry standards and environmental regulations for safe, reliable use

Professional Applications & Engineering Value

This 5/8"-11 UNC Silicon Bronze hex head screw is engineered to address critical challenges in corrosive and high-moisture environments, such as marine construction, chemical processing plants, and coastal infrastructure. The 651 Silicon Bronze composition offers inherent resistance to saltwater corrosion and atmospheric degradation, significantly reducing maintenance costs and failure risks. The fully threaded coarse UNC pattern enhances pull-out resistance in wood, composite, and soft metals, while the external hex drive facilitates quick installation with standard wrenches. Ideal for securing docks, piping systems, and outdoor equipment, this screw combines 70,000 PSI tensile strength with long-term reliability, making it a top choice for engineers prioritizing durability and regulatory compliance in industrial projects.

Specification Summary & Compliance

This product features a 5/8"-11 UNC coarse thread with Class 2A thread fit for consistent dimensional accuracy and compatibility. It meets ASME B18.2.1 specifications for hex head screws, ensuring reliable performance in mechanical assemblies. Additionally, it is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming adherence to environmental and safety standards for hazardous substance restrictions.