S-93516A722 1/2"-13 x 2 1/2" ASME B18.2.1 Bronze Hex Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance from 651 Silicon Bronze material, ideal for marine and harsh industrial environments
• High tensile strength of 70,000 psi ensures reliable load-bearing capacity and structural integrity
• Rockwell B70 hardness provides excellent wear resistance and durability under repetitive stress
• Class 2A thread fit with UNC coarse spacing enables quick installation and secure fastening in various materials
• External hex drive design allows for easy torque application with standard tools
• Full threading along the 2 1/2" length offers maximum grip and adjustment flexibility
• Compliance with ASME B18.2.1, RoHS 3, and REACH ensures quality, safety, and environmental standards are met

Professional Applications & Engineering Value

Engineered for demanding conditions, this Silicon Bronze hex head screw excels in marine applications, chemical processing, and coastal infrastructure where corrosion resistance is critical. The 651 Silicon Bronze composition prevents degradation from saltwater and harsh chemicals, reducing maintenance costs and downtime. With a coarse UNC thread and Class 2A fit, it provides reliable fastening in wood, soft metals, and composite materials, while the external hex drive ensures efficient installation in tight spaces. This screw is a trusted solution for boat building, offshore equipment, and industrial machinery exposed to moisture and corrosive agents.

Specification Summary & Compliance

This screw features a 1/2"-13 UNC thread with Class 2A dimensional accuracy and coarse spacing for consistent performance. It is manufactured to meet ASME B18.2.1 specifications and complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global industrial use.