Mutual Screw & Supply

1/2-13 X 4" Hex Head Cap Screws | Grade 8 Steel Zinc Plated | Partially Threaded (150 / Pkg.)

1/2-13 X 4" Hex Head Cap Screws | Grade 8 Steel Zinc Plated | Partially - Main image
$83.41 $136.74 In stock

1/2-13 x 4" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 8 Steel Zinc Plated construction
  • Partially Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 150

Specifications

  • Thread Size: 1/2-13
  • Length: 4"
  • Threads Per Inch: 13
  • Material: Steel
  • Grade: Grade 8
  • Finish: Zinc Plated
  • Thread Style: Partially Threaded
  • Pack Quantity: 150
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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)

Joseph ★★★★★

These 1/2-13 x 4" hex head screws are exactly what I needed for a heavy equipment repair. The partially threaded shaft made installation easy, and the hex heads hold tight without stripping. A solid, reliable fastener pack for tough jobs.

Emma U. ★★★★★

The zinc plating on these bolts is holding up well even after a few days in damp conditions. They threaded smoothly into my heavy equipment mount with no binding. Exactly the consistent Grade 8 quality I was hoping for.

Natalie T. ★★★★★

The hex heads have a nice clean profile that my socket wrench grabs perfectly, and the zinc coating looks durable for outdoor machinery use. These feel much more solid than the cheap hardware store bolts I usually get stuck with.