Mutual Screw & Supply

3/4-10 X 3-1/2" Carriage Bolts | Fully Threaded | A307 Grade A Plain Steel (75 / Pkg.)

3/4-10 X 3-1/2" Carriage Bolts | Fully Threaded | A307 Grade A Plain Steel (75 - Main image
$69.5 $100.73 In stock

3/4-10 X 3-1/2" Carriage Bolts in A307 Grade A Plain 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 Plain 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: 3-1/2"
  • Threads Per Inch: 10
  • Material: A307 Grade A Plain Steel
  • Finish: Plain
  • Thread Style: Fully Threaded
  • Pack Quantity: 75
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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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)

Matthew S. ★★★★★

Installed these on a heavy gate hinge and that square neck grabbed tight without any spinning. The rounded head sits flush and looks clean, and the 75-pack gave me plenty of spares for the price.

Victoria ★★★★★

The fully threaded design on these made them easy to drive all the way into the wood, and the square neck locked in tight without spinning. Worked perfectly for my gate hinges.

Jacob ★★★★★

The square neck on these grabbed into the wood perfectly, and the fully threaded shaft gave me plenty of grip for tightening. They feel solid and the plain steel finish is exactly what I expected for the price.