Hex Head Cap Screws Grade 5 Steel Zinc Plated 1/2-13 X 4 are heavy-duty fasteners designed for secure, high-torque assemblies. Made from Grade 5 steel and finished with a zinc plating, these screws deliver outstanding strength with corrosion resistance for long-lasting performance across industrial, automotive, and construction applications.

Specifications at a glance:

• Size: 1/2-13 UNC
• Length: 4 inches
• Material: Grade 5 steel
• Finish: Zinc plated
• Head type: Hex head cap screw
• Intended use: Heavy-duty fastening in machinery, equipment, automotive, and structural projects

Designed to provide a robust clamping force, these hex head cap screws are ideal for joining thick materials, flanges, and assemblies where a high-torque drive is required. For best results, pair with corresponding nuts and washers as needed and tighten to the appropriate torque spec for your application.