Description
Hex Head Cap Screws Grade 5 Steel Plain Fine Thread (USA Made) 5/16-24 x 2 1/4 are engineered for strength and reliability in a wide range of assembly tasks. This USA-made fastener features a hex head, plain finish, and fine thread for precise, secure fastening in demanding environments.
- Material: Grade 5 steel — a tough, heat-treatable alloy designed for durable, long-lasting performance.
- Finish: Plain (uncoated) finish for ease of finishing, painting, or compatibility with various finishes.
- Thread: Fine thread (5/16-24) provides greater holding power and smoother engagement in thinner materials and precision assemblies.
- Size: 5/16" diameter with 24 threads per inch, 2 1/4" length (2.25").
- Head: Hex head design for fast, secure installation using standard wrenches or sockets.
- Made in USA: Manufactured in the United States to meet strict quality standards and ensure availability.
Ideal for machinery, equipment mounting, automotive projects, cabinetry, and general fabrication where a reliable, high-strength fastener is required. The combination of Grade 5 steel and fine-thread engagement helps resist loosening under vibration while delivering consistent clamping force.
Choose these Hex Head Cap Screws in the 5/16-24 x 2 1/4 size for robust, dependable performance in your next project. Add to cart now to secure fast, accurate assemblies with every turn.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

