Mutual Screw & Supply

1/4-20 X 5/8" Hex Machine Bolts | Steel Zinc Plated | Fully Threaded (400 / Pkg.)

1/4-20 X 5/8" Hex Machine Bolts | Steel Zinc Plated | Fully Threaded (400 / - Main image
$6.4 $10 In stock

1/4-20 X 5/8" Hex Machine Bolts in Steel Zinc Plated. A fully threaded hex head machine bolt for use where thread engagement is needed along the entire shank, in metal, wood, and assembled components.

  • Fully threaded for full-length engagement
  • Hex head for wrench-driven, high-torque installation
  • Zinc plating for everyday corrosion resistance

Specifications

  • Type: Hex Machine Bolts
  • Head Style: Hex
  • Material: Steel
  • Finish: Zinc Plated
  • Thread Size: 1/4-20
  • Length: 5/8"
  • Thread: Fully Threaded
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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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Delivery costs

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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)

Hazel S. ★★★★★

I was pleasantly surprised at how uniform the threading is on these bolts—every single one threaded smoothly into my steel brackets without any binding.

Emily S. ★★★★★

Zinc plating looks clean and even across all 400 bolts, no rust spots or stripped threads out of the box. I've used maybe sixty so far on a metal frame project and every one seated perfectly without needing to chase the threads.

Joseph I. ★★★★★

The fully threaded shank made all the difference when I needed to bolt through a steel bracket into wood with zero gap. The zinc coating held up nice during a rainy week outside, no rust spots yet. Happy with this batch of 400 for the price.