Description
Hex Head Cap Screws Grade 5 Steel Plain 5/16-18 x 8 — a high-strength fastener designed for durable, reliable joining in mechanical assemblies, automotive, and construction projects.
Featuring a coarse 5/16-18 UNC thread and a robust hex drive, these screws deliver strong clamping force and easy installation across a variety of materials. The plain finish means there is no coating, making them suitable for finishing processes or future plating as needed.
Specifications
- Size: 5/16-18
- Length: 8 inches
- Thread type: Coarse UNC (18 TPI)
- Head: Hex head cap screw
- Material: Grade 5 steel
- Finish: Plain (uncoated)
- Drive: Hex
Applications
Ideal for heavy-duty assemblies in machinery, automotive components, and equipment mounting where a secure, high-strength fastener is required. The plain finish provides flexibility for painting, plating, or additional finishing as part of your manufacturing process.
Care and Installation
- Use the appropriate hex driver to achieve proper seating and avoid stripping.
- Store in a dry environment to minimize rust on uncoated steel.
- Torque should be set according to your engineering specifications and material compatibility.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

