Description
Steel Black Oxide & Oil Carriage Bolts 5/16-18 x 1-1/4 are durable fasteners designed for wood-to-wood assemblies, delivering strong, secure joints with a corrosion-resistant finish.
These carriage bolts feature steel construction and a black oxide with oil finish for protection against the elements and a clean, satin appearance. The 5/16-18 thread and 1-1/4 in length fit a broad range of applications, from decks and fences to furniture frames and cabinetry.
Key features
- Size: 5/16-18 x 1-1/4 in
- Material: Steel
- Finish: Black oxide & oil
- Head: Round carriage bolt with built-in square neck to prevent turning in wood
- Thread: Coarse 18 threads per inch
Specifications
- Thread size: 5/16-18
- Length: 1-1/4 in
- Diameter: 5/16 in
- Finish: Black oxide & oil
- Material: Steel
- Head type: Round carriage bolt
Ideal for wood-to-wood joints in outdoor and indoor projects, these bolts provide a secure, flush connection with minimal turning as the square neck grips into wood during tightening. Add them to your hardware kit and tackle your next project with confidence.
Can We Help?
If you’re not sure that this product is right for you, give us a call!
800-222-0324

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