Choose the Hex Head Cap Screws Grade 5 Steel Zinc Plated 9/16-18 x 5-1/2 for reliable, heavy-duty fastening. Constructed from Grade 5 steel, these hex head cap screws deliver impressive strength and durability for a wide range of industrial, automotive, and construction applications. The zinc plating provides corrosion resistance to help extend service life in challenging environments.

Key Features

• Material: Grade 5 steel for high strength and durability
• Finish: Zinc plated for corrosion resistance
• Size and Thread: 9/16-18, coarse thread (5-1/2″ length)
• Head Type: Hex head for secure driving with standard wrenches or sockets
• Applications: Ideal for machinery, automotive, equipment assembly, and heavy-duty fastening

Why Choose Grade 5 Zinc Plated Hex Screws?

Grade 5 steel offers a balance of strength and toughness, suitable for many general and heavy-duty fastening tasks. Zinc plating adds a protective coating that resists moisture and reduces corrosion, ensuring reliable performance in everyday use.

Incorporate these screws into your fastener kit to ensure you have the right size for projects requiring 9/16 diameter, 18 TPI, and a 5-1/2 inch length. Theyre ready to meet the demands of your next project with consistent torque and secure clamping.