Description
Hex Head Cap Screws Grade 5 steel, zinc plated, with a 9/16-18 thread and 4-1/2 inch length. These fasteners are built to deliver reliable clamping power in demanding environments.
Made from high-strength Grade 5 steel and finished with a durable zinc plating, they resist corrosion and provide long service life in machinery, automotive, and equipment assemblies.
- Size and thread: 9/16-18 UNC coarse thread
- Length: 4-1/2 inches
- Head: Hex head for robust torque and easy driving
- Material/finish: Grade 5 steel, zinc plated
- Applications: Automotive, machinery, construction, and industrial equipment
Whether you're repairing equipment or building durable assemblies, these screws provide consistent performance, secure retention, and straightforward installation.
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800-222-0324

