[125 PKG] A307 Grade A Steel Hot Dipped Galvanized Coarse Carriage Bolts 5/16-18 x 1 3/4

Mutual ScrewSKU: 3128CAGBB

Price:
Sale price$42.27per 125( $0.34 each)
Pieces 125
Measurement type Inch
Thread size 5/16-18
Diameter 5/16
Length 1-3/4
Material A307 Grade A Steel
Finish Hot Dipped Galvanized
Head style Carriage
Threads per inch 18
Weight 5.26 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

A307 Grade A steel hot-dip galvanized coarse carriage bolts sized 5/16-18 x 1 3/4 provide superior strength and corrosion resistance for outdoor wood-to-wood connections.

  • Material & Finish: A307 Grade A steel with hot-dip galvanizing delivers robust, long-lasting protection against rust in exposed environments.
  • Size & Thread: 5/16" diameter with 18 threads per inch (coarse), length 1-3/4".
  • Head & Shank: Carriage bolts feature a domed head and a square under-head neck that grips into wood to prevent turning during installation.
  • Application: Ideal for decks, fences, timbers, structural wood connections, and other outdoor carpentry projects.
  • Installation Tips: Pre-drill holes as needed; use matching nuts and washers where required; ensure proper alignment for secure joints.

Choose these durable A307 Grade A galvanized carriage bolts for reliable, long-lasting performance in wood construction. Perfect for projects that require strong wood-to-wood fastening with corrosion resistance.

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800-222-0324

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