Description
Hex Head Cap Screws Grade 8 Steel Plain Fine Thread (USA Made) 1/4-28 x 5 1/2 are engineered for high-strength fastening in demanding applications. Crafted from premium Grade 8 steel and manufactured in the USA, these screws deliver exceptional torque resistance and reliability in critical assemblies.
Featuring a plain, unplated finish and a fine thread, they are designed for secure engagement in pre-tapped holes or in applications requiring high shear strength and vibration resistance. The 1/4-28 size corresponds to a 1/4-inch diameter with 28 threads per inch, and the 5-1/2 inch length provides ample reach for multiple materials or thicker stacks.
Key specifications
- Head style: Hex Head Cap Screw
- Material: Grade 8 steel
- Finish: Plain (unplated)
- Thread: Fine thread, 1/4-28
- Length: 5-1/2 inches
- Origin: USA made
Applications
Ideal for automotive, machinery, and industrial equipment assemblies where high-strength fasteners are required and a clean, uncoated appearance is preferred.
Equip your toolbox with these reliable Hex Head Cap Screws for long-lasting performance in metal fabrication, maintenance, and repair projects.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

