Description
Engineered for maximum strength and reliability, our Hex Head Cap Screws Grade 8 Steel Plain (USA Made) 5/16-18 x 3 1/4 delivers dependable performance in heavy-duty assemblies. Crafted from Grade 8 steel and manufactured in the USA, these hex screws resist wear and provide secure clamping in demanding environments.
Key Features
- Grade 8 steel for high tensile strength and superior durability
- Plain finish suitable for a wide range of applications and easy pairing with other fasteners
- USA Made quality ensuring consistent manufacturing standards
- Hex head for easy, tool-ready installation and reliable torque
- Size: 5/16-18 UNC (coarse thread) for robust fastening in metal assemblies
- Length: 3 1/4 inches to accommodate thicker materials or deeper joints
Specifications
- Thread size: 5/16-18
- Length: 3 1/4" (approx. 82.55 mm)
- Material: Grade 8 steel
- Finish: Plain
- Head type: Hex
- Country of origin: USA
Typical Applications
Ideal for heavy machinery, automotive assemblies, construction projects, equipment maintenance, and other high-strength fastening needs. The Grade 8 steel construction provides excellent shear and tensile performance, while the hex head allows for quick drive with standard tools.
Choose these Hex Head Cap Screws for dependable, long-lasting fastening in demanding environments. Perfectly suited for applications requiring robust strength, reliable torque, and USA-made quality.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324