Mutual Screw & Supply

7/16-14 X 4-1/2" Carriage Bolts | Fully Threaded | A307 Grade A Zinc Plated Steel (25 / Pkg.)

7/16-14 X 4-1/2" Carriage Bolts | Fully Threaded | A307 Grade A Zinc Plated - Main image
$11.17 $17.45 In stock

7/16-14 X 4-1/2" Carriage Bolts in A307 Grade A Zinc Plated Steel. Carriage bolts feature a smooth, rounded head with a square neck underneath that pulls into the material to prevent the bolt from turning during installation, making them ideal for wood-to-wood and wood-to-metal connections.

  • Domed head with square anti-rotation neck
  • A307 Grade A Zinc Plated Steel construction
  • Coarse thread for use in wood and with nuts and washers
  • Fully Threaded
  • Sold in bulk packs

Specifications

  • Thread Size: 7/16-14
  • Length: 4-1/2"
  • Threads Per Inch: 14
  • Material: A307 Grade A Zinc Plated Steel
  • Finish: Zinc Plated
  • Thread Style: Fully Threaded
  • Pack Quantity: 25
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Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (5.0 / 5 · 5 reviews)

Daniel H. ★★★★★

The square neck grabbed instantly when I tightened it, no spinning. Used them to secure a heavy wooden gate and they're holding solid.

Claire L. ★★★★★

The zinc plating looks clean and even across all 25 bolts, so they'll blend in fine on the outdoor pergola I'm building. The square neck grabbed the wood tightly as I tightened them down with zero spinning, which saved me a ton of frustration.

Penelope B. ★★★★★

The square neck on these carriage bolts locked perfectly into my new deck frame, just like they're supposed to. No spinning while I tightened the nut, and the zinc coating looks clean and durable. Exactly what I needed for a sturdy, lasting connection.