Mutual Screw & Supply

5/8-11 X 8" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially Threaded (50 / Pkg.)

5/8-11 X 8" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially - Main image
$194.1 $308.1 In stock

5/8-11 x 8" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 5 Steel Yellow Zinc construction
  • Partially Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 50

Specifications

  • Thread Size: 5/8-11
  • Length: 8"
  • Threads Per Inch: 11
  • Material: Steel
  • Grade: Grade 5
  • Finish: Yellow Zinc CR+6
  • Thread Style: Partially Threaded
  • Pack Quantity: 50
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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 (4.6 / 5 · 5 reviews)

Chloe ★★★★★

The hex heads on these bolts gave my socket wrench a solid grip without any slipping, and the yellow zinc coating on the grade 5 steel looks tough. I used a full package to rebuild a press frame, and every bolt threaded smoothly into the tapped holes. Exactly what I needed for a heavy-duty job.

Ella N. ★★★★★

The partially threaded design made installation a breeze in my equipment frame, and the hex head gave my socket wrench a solid grip. These grade 5 bolts feel tough enough for heavy use without any flex.

Avery G. ★★★★★

I needed some seriously beefy bolts for a trailer hitch project and these 8-inch ones were actually in stock locally. The grade 5 rating gives me confidence they’ll hold up under load, and that partial thread made it easy to get a proper bite into the frame without bottoming out.