S-93516A207 5/8"-11 x 2 3/4" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh marine and chemical environments due to 651 Silicon Bronze material, reducing replacement frequency and maintenance costs.
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity under demanding industrial applications.
• Rockwell B70 hardness provides excellent wear resistance and durability, extending service life in high-abrasion settings.
• Fully threaded UNC coarse pattern delivers faster installation and stronger holding power in soft materials or where vibration resistance is critical.
• External hex drive and hex head design allows for easy, high-torque installation with standard tools, improving assembly efficiency.
• Class 2A thread fit ensures consistent, precise engagement with nuts and tapped holes, minimizing cross-threading and assembly errors.
• Compliance with ASME B18.2.1, RoHS 3, and REACH guarantees adherence to industry standards and environmental safety, supporting responsible sourcing and regulatory requirements.

Professional Applications & Engineering Value

Engineered for durability in corrosive settings, these 651 Silicon Bronze hex head screws solve critical challenges in marine construction, offshore platforms, and chemical processing plants. The UNC coarse thread and fully threaded design provide exceptional grip and vibration resistance, preventing loosening in dynamic environments. With a tensile strength of 70,000 psi and Rockwell B70 hardness, they withstand heavy loads and abrasive conditions without compromising performance. The external hex drive facilitates quick installation, reducing labor time in large-scale projects. Ideal for saltwater exposure, wastewater systems, and coastal infrastructure, these screws ensure long-term reliability while meeting ASME B18.2.1 standards for dimensional accuracy and safety.

Specification Summary & Compliance

This screw features a 5/8"-11 UNC coarse thread with Class 2A thread fit for precise tolerance and compatibility. Dimensions include a 2 3/4" length, 15/16" head width, and 3/8" head height. It conforms to ASME B18.2.1 manufacturing specifications and is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and quality assurance.