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

Original price was: $150.73.Current price is: $75.37.


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...



  • Product Details
  • SKU

    KUYY3469968

  • Category

    Bolts

  • Availability

    In stock

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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