Mutual Screw & Supply

5/16-18 X 3/4" Carriage Bolts | Steel Zinc Plated (1000 / Pkg.)

5/16-18 X 3/4" Carriage Bolts | Steel Zinc Plated (1000 / Pkg.) - Main image
$47.04 $65.34 In stock

These 5/16-18 x 3/4" carriage bolts are manufactured from Steel with a zinc plated finish. They are well suited to structural and machinery fastening.

  • Material and finish: Steel, Zinc Plated finish
  • Thread size: 5/16-18
  • Length: 3/4"
  • Applications: Structural and machinery fastening

Specifications

  • Product type: Carriage Bolts
  • Material: Steel
  • Finish: Zinc Plated
  • Thread size: 5/16-18
  • Length: 3/4"
  • Threads per inch: 18
  • Measurement type: Imperial
  • Pack quantity: 1000 per package

Please note: This item is excess stock and is sold non-cancelable, non-refundable, and non-returnable. Please call us with any questions about this item before ordering.

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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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Returning an item

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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)

Samuel Z. ★★★★★

The square neck grabbed the wood instantly and didn’t spin a millimeter while I torqued them down—that zinc coating also means zero rust after a week of rain on the fence. A thousand pieces is a lot, but at this price I’d rather stock up than run short mid-project.

Sofia W. ★★★★★

I've been using these carriage bolts for a few weeks now on various metal shelving projects, and the zinc plating has held up nicely without any rust. The square neck under the head grips the material perfectly so they don't spin while tightening.

Jason F. ★★★★★

Needed exactly 1000 of these for a trailer build, and every bolt seated cleanly in the square hole without any burrs. The zinc coating has a smooth, even look that matches the price point well.