Engineered for heavy-duty fastening, the Hex Head Cap Screws Grade 5 Steel Zinc Plated 9/16-18 x 3-1/2 delivers high-strength performance in mechanical assemblies, machinery, and structural connections.

Made from Grade 5 steel and finished with zinc plating, these screws resist corrosion while delivering reliable torque transfer in demanding environments.

Features

• Material: Grade 5 steel for high strength
• Finish: Zinc plated for corrosion resistance
• Head style: Hex head cap screw for easy wrench engagement
• Drive: Hex drive for secure turning and high torque
• Size: 9/16-18 coarse thread
• Length: 3-1/2 inches

Specifications

• Thread: 9/16-18 (UNC)
• Overall length: 3-1/2 in
• Material: Grade 5 steel
• Finish: Zinc plated

Applications include automotive assemblies, equipment mounting, and industrial machinery where a dependable, medium-length hex head fastener is required. When using Grade 5 zinc-plated cap screws, ensure proper compatibility with mating components and follow standard torque guidelines for best results.