Mutual Screw & Supply

1/4-20 X 3/4" Carriage Bolts | Fully Threaded | A307 Grade A Zinc Plated Steel (500 / Pkg.)

1/4-20 X 3/4" Carriage Bolts | Fully Threaded | A307 Grade A Zinc Plated Steel - Main image
$10.27 $15.1 In stock

1/4-20 X 3/4" 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: 1/4-20
  • Length: 3/4"
  • Threads Per Inch: 20
  • Material: A307 Grade A Zinc Plated Steel
  • Finish: Zinc Plated
  • Thread Style: Fully Threaded
  • Pack Quantity: 250
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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 (4.8 / 5 · 5 reviews)

Ryan ★★★★★

Got these for a trailer build and the square neck grabbed the wood right away – no spinning or cursing. The zinc coating looks even and clean, and all 500 arrived without a single bent thread.

Joseph ★★★★★

The square neck under the head locked right into the wood without any spinning, which made driving these into a fence repair a one-person job. A full 500-count box means I won't need to reorder for years. Great value for the price.

Stella ★★★★★

The square neck under the domed head really grips the wood tight without spinning, which saved me so much hassle. Even the zinc coating looks clean and uniform across all 500 bolts.