[600 BULK] Steel Black Oxide & Oil Carriage Bolts 5/16-18 X 1-1/2
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[600 BULK] Steel Black Oxide & Oil Carriage Bolts 5/16-18 X 1-1/2

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[600 BULK] Steel Black Oxide & Oil Carriage Bolts 5/16-18 X 1-1/2

Mutual ScrewSKU: 3124CBKC
Price:
$150.73per 600( $0.25 each)
Pieces 600
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-1/2
Material Steel
Finish Black Oxide & Oil
Head style Carriage
Threads per inch 18
Weight 24.0 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

Secure and durable, the Steel Black Oxide & Oil Carriage Bolts 5/16-18 x 1-1/2 are built for woodworking, furniture, and structural projects. Featuring a steel body with a black oxide finish and an oil coating, these carriage bolts resist corrosion while delivering smooth driving and reliable grip. Sized at 5/16-18 UNC and 1-1/2 inches long, they pair easily with nuts and washers for robust assemblies.

  • Size & thread: 5/16-18 UNC, 1-1/2 in length
  • Material: Steel
  • Finish: Black oxide with an oil coating for lubrication and mild corrosion resistance
  • Head style: Domed carriage bolt head with a square underhead to prevent turning during tightening
  • Applications: Wood-to-wood and wood-to-metal joints in decks, fences, furniture, and other projects
  • Compatibility: Used with standard nuts and washers (sold separately)

Why choose these carriage bolts? They combine strength, a discreet finish, and easy installation for durable, professional results. Perfect for builders, woodworkers, and DIY enthusiasts seeking dependable fasteners that perform in both harsh and everyday environments. Add them to your toolkit today.

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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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