S-93516A756 5/8"-11 x 3" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance for long-lasting performance in marine and harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity in demanding applications
• Rockwell B70 hardness provides excellent durability and resistance to deformation under stress
• Fully threaded UNC coarse pattern delivers faster installation and superior holding power
• External hex drive design allows for easy installation with standard tools and high torque application
• Class 2A thread fit guarantees consistent, precise engagement with mating components
• Compliance with multiple industry standards including ASME B18.2.1, RoHS 3, and REACH for quality assurance

Professional Applications & Engineering Value

These 651 Silicon Bronze hex head screws are engineered specifically for challenging environments where corrosion resistance is critical. The marine-grade silicon bronze material provides exceptional protection against saltwater corrosion, making these 5/8"-11 UNC coarse thread screws ideal for marine hardware, offshore platforms, and coastal infrastructure. The combination of 70,000 psi tensile strength and Rockwell B70 hardness ensures these external hex drive fasteners maintain structural integrity in high-stress applications while the fully threaded design maximizes grip length and distribution of clamping force. These 3-inch hex head screws solve critical engineering challenges in chemical processing, water treatment, and marine construction where standard steel fasteners would rapidly deteriorate.

Specification Summary & Compliance

This 5/8"-11 UNC hex head screw features precise Class 2A thread fit tolerances and coarse thread spacing in the inch measurement system. Manufactured to ASME B18.2.1 specifications with complete regulatory compliance including RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) standards. The 3-inch length and 15/16" head width with 3/8" head height provide optimal dimensional consistency for industrial applications requiring reliable, standardized fastening solutions.