[400 BULK] Steel Black Oxide & Oil Carriage Bolts 5/16-18 X 3
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[400 BULK] Steel Black Oxide & Oil Carriage Bolts 5/16-18 X 3

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[400 BULK] Steel Black Oxide & Oil Carriage Bolts 5/16-18 X 3

Mutual ScrewSKU: 3148CBKC
Price:
$161.24per 400( $0.40 each)
Pieces 400
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 3
Material Steel
Finish Black Oxide & Oil
Head style Carriage
Threads per inch 18
Weight 26.0 lb

WARNING: This product can expose you to chemicals including lead and lead compounds, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to https://www.P65Warnings.ca.gov.

Description

Upgrade your timber fastenings with our Steel Black Oxide & Oil Carriage Bolts 5/16-18 x 3. These high-strength steel bolts are finished with a protective black oxide layer and coated with oil to improve corrosion resistance and ease of install in outdoor and load-bearing projects.

  • Size and Thread: 5/16-18 in diameter, 3" long, standard coarse thread (18 TPI).
  • Material and Finish: Steel with a protective black oxide finish and oil coating for enhanced corrosion resistance.
  • Head and Fit: Domed round carriage head with a square under-head neck to prevent rotation and ensure a tight, flush fit in wood.
  • Applications: Ideal for wood-to-wood connections in decks, fencing, framing, and furniture projects.
  • Durability: Built for outdoor and high-load applications with long-lasting performance.

Choose these bolts for dependable fastening hardware that combines strength, a sleek black finish, and reliable protection against the elements.

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If you’re not sure that this product is right for you, give us a call!
800-222-0324

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