Mutual Screw & Supply

5/8-11 X 9" Carriage Bolts | A307 Grade A Plain Steel (30 / Pkg.)

5/8-11 X 9" Carriage Bolts | A307 Grade A Plain Steel (30 / Pkg.) - Main image
$38.99 $60.92 In stock

5/8-11 X 9" 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: 5/8-11
  • Length: 9"
  • Threads Per Inch: 11
  • Material: A307 Grade A Plain Steel
  • Finish: Plain
  • Pack Quantity: 30
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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)

Andrew O. ★★★★★

The square neck on these bolts gripped the wood instantly without any spinning, which saved me a ton of frustration during assembly. A full 30-pack for this size is a solid deal.

Sofia N. ★★★★★

I needed longer bolts for a heavy timber project and these 9-inch carriage bolts were the perfect length. The A307 grade steel feels solid and the square neck locked right into the wood without spinning.

Natalie ★★★★★

Those square necks under the heads really bit into the timber and held firm while I cinched everything down tight, so I didn't need a second wrench on the nut. The plain steel finish is exactly what I expected for outdoor framing work, and all 30 bolts in the pack came out of the box with clean, con