Description
Hex Head Cap Screws Grade 5 steel, zinc plated, coarse thread 3/8-16 x 4-1/2 in are engineered for strength, durability, and reliable performance in a wide range of applications. Built from high-strength Grade 5 steel and finished with a corrosion-resistant zinc coating, these screws deliver secure fastening in automotive, machinery, and construction projects.
Designed for ease of assembly and long life, the coarse thread offers quick threading and strong bite in metal, wood, or composite materials when paired with the appropriate nut or tapped hole.
Key specifications
- Size & Length: 3/8-16 x 4-1/2 in
- Material: Grade 5 steel
- Finish: Zinc plated
- Thread: Coarse thread, 3/8-16 UNC
- Head style: Hex head
- Tensile strength: High-strength fastener suitable for demanding assemblies
Applications & benefits
- Ideal for automotive assemblies, equipment mounting, machinery, and structural applications where reliable torque retention is required.
- Corrosion resistance from zinc plating helps protect fasteners in varying environments.
- Compatible with standard nuts and washers; uses common hex tools for installation.
Choose these Hex Head Cap Screws for dependable performance, straightforward installation, and a strong, lasting hold in your next project.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

