Mutual Screw & Supply

1/2-13 X 11-1/2" Carriage Bolts | A307 Grade A Plain Steel (120 / Pkg.)

1/2-13 X 11-1/2" Carriage Bolts | A307 Grade A Plain Steel (120 / Pkg.) - Main image
$154.76 $249.61 In stock

1/2-13 X 11-1/2" 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
  • Sold in bulk packs

Specifications

  • Thread Size: 1/2-13
  • Length: 11-1/2"
  • Threads Per Inch: 13
  • Material: A307 Grade A Plain Steel
  • Finish: Plain
  • Pack Quantity: 120
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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 (4.8 / 5 · 5 reviews)

Aurora ★★★★★

I needed heavy-duty bolts for a deck repair, and these 1/2-13 x 11-1/2 inch carriage bolts are impressively stout. The plain steel finish is consistent, and the square neck design really locks into the wood, preventing any spin as I tightened them. Exactly what I needed for a solid hold.

Adam ★★★★★

The square neck grabbed perfectly into the treated lumber frame for my deck rebuild, and these plain steel bolts held tight without any spinning during installation. Worked exactly as needed for a heavy structural project.

Ella ★★★★★

Had to build a heavy-duty gate for the pasture, and these bolts held up perfectly during assembly – the square neck dug right into the wood and kept everything from spinning while I torqued them down. The 120-pack means I still have plenty left for future projects.