Description
Engineered for strength and reliability, these Hex Head Cap Screws deliver robust performance in a variety of applications. Made in the USA from Grade 5 steel, they feature a plain finish and fine thread for precise, secure fastening in tight tolerances.
Key specifications
- Size: 3/8-24
- Length: 3 1/4 inches
- Thread: Fine (24 TPI)
- Material: Grade 5 steel
- Finish: Plain (uncoated)
- Head type: Hex Head Cap Screw
- Origin: USA Made
Why choose Grade 5 hex screws?
Designed for strength and durability, Grade 5 steel offers reliable performance in load-bearing assemblies, while the plain finish keeps the profile compact and suitable for environments where coatings are managed separately. The fine thread provides superior engagement in precision fastenings, reducing loosening under vibration and delivering a smooth, controlled tightening experience.
Typical applications
Ideal for automotive, machinery, and equipment assemblies, as well as any project requiring a robust 3/8 inch diameter fastener with a fine 24 TPI thread and a 3 1/4 inch length.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

