Mutual Screw & Supply

5/8-11 X 8" Hex Head Cap Screws | Grade 8 Steel Zinc Plated | Partially Threaded (55 / Pkg.)

5/8-11 X 8" Hex Head Cap Screws | Grade 8 Steel Zinc Plated | Partially - Main image
$121.23 $175.69 In stock

5/8-11 x 8" 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 55

Specifications

  • Thread Size: 5/8-11
  • Length: 8"
  • Threads Per Inch: 11
  • Material: Steel
  • Grade: Grade 8
  • Finish: Zinc Plated
  • Thread Style: Partially Threaded
  • Pack Quantity: 55
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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 (4.8 / 5 · 5 reviews)

Sofia Z. ★★★★★

The zinc plating on these held up well when I torqued them down with an impact wrench, no stripped hex heads. For the price per package, getting 55 partially threaded grade 8s this size feels like a solid deal.

Evelyn ★★★★★

The threads caught perfectly with my impact wrench, and the zinc plating on these grade 8 bolts feels tough enough to handle heavy machinery without rusting. I used them to mount a large shop press and the 8-inch length gave me just enough room for thick steel plates.

Sophia R. ★★★★★

I needed some heavy-duty bolts for a shop press build, and these grade 8 hex heads are definitely tough enough for that kind of load. The zinc plating looks good and should resist rust in my garage, and the 55-piece pack gives plenty of extras for future projects.