[25 PKG] A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 6

Mutual ScrewSKU: 3196CAGBB

Price:
Sale price$22.52per 25( $0.90 each)
Pieces 25
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 6
Material A307 Grade A Steel
Finish Hot Dipped Galvanized
Head style Carriage
Threads per inch 18
Weight 2.8 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

Experience reliable strength and long-lasting performance with the A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 6. These heavy-duty fasteners are engineered for outdoor and structural applications where corrosion resistance and dependable clamping force are essential.

Highlights

  • Material: A307 Grade A steel for strong, durable construction
  • Finish: Hot dipped galvanized coating for superior corrosion resistance
  • Thread: Coarse 5/16-18 UNC for fast assembly
  • Length: 6 inches
  • Head: Classic carriage bolt head with a square undercut for secure seating
  • Standards: Meets A307 Grade A specification

Applications

Ideal for wooden connections in decks, fences, and outdoor structures, as well as machinery mounting and general dry-to-wet environment projects where reliable, corrosion-resistant fasteners are required.

Specifications

  • 5/16 inch
  • Thread: 18 TPI (UNC)
  • Length: 6 inches
  • Material: A307 Grade A steel
  • Finish: Hot dipped galvanized
  • Head: Carriage bolt

Why choose hot-dipped galvanized carriage bolts

The hot dipped galvanizing process provides a rugged zinc coating that protects against moisture, rust, and environmental wear, extending the life of your outdoor projects. Pair these bolts with nuts and washers for a secure, lasting connection in wood-to-wood or wood-to-metal assemblies.

Can We Help?

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

Recently viewed