Mutual Screw & Supply

3/4-10 X 4" Carriage Bolts | Fully Threaded | A307 Grade A Zinc Plated Steel (20 / Pkg.)

3/4-10 X 4" Carriage Bolts | Fully Threaded | A307 Grade A Zinc Plated Steel - Main image
$23.93 $34.18 In stock

3/4-10 X 4" 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: 3/4-10
  • Length: 4"
  • Threads Per Inch: 10
  • Material: A307 Grade A Zinc Plated Steel
  • Finish: Zinc Plated
  • Thread Style: Fully Threaded
  • Pack Quantity: 20
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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)

Penelope R. ★★★★★

I used these to build a heavy-duty gate and the fully threaded design made installation a breeze, even in pressure-treated lumber. The zinc coating seems durable and should hold up well against the weather. These bolts are solid and did exactly what I needed them to do.

Carter K. ★★★★★

The square neck grabbed tight the moment I tightened it—zero spinning, exactly what you need when you're working blind behind a fence post. Zinc coat feels solid and even, and the threads ran clean through my impact driver.

Christopher ★★★★★

The zinc plating looks clean and should hold up well against rust in my outdoor project. I used these to build a heavy-duty picnic table frame, and the fully threaded shaft gave me plenty of grip for thick lumber.