Mutual Screw & Supply

5/8-18 X 6" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially Threaded (25 / Pkg.)

5/8-18 X 6" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially - Main image
$78.3 $122.34 In stock

5/8-18 x 6" 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 25

Specifications

  • Thread Size: 5/8-18
  • Length: 6"
  • Threads Per Inch: 18
  • Material: Steel
  • Grade: Grade 5
  • Finish: Yellow Zinc CR+6
  • Thread Style: Partially Threaded
  • Pack Quantity: 25
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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)

Charlotte S. ★★★★★

The hex heads seat perfectly in a socket and the yellow zinc finish looks clean on my equipment. Threads ran smooth all the way in with a wrench, and the partial threading gave me the grip I needed for a solid clamp.

Leo J. ★★★★★

I needed some heavy-duty bolts for a trailer hitch repair, and these hex head screws have a nice tight grip with the partially threaded design. The yellow zinc coating looks solid against rust, and all 25 pieces came with clean threads that fit my wrench perfectly.

Eli ★★★★★

The threads were clean and uniform across all 25 bolts, which saved me time during assembly. These hex heads grabbed my socket perfectly without any slipping, and the yellow zinc coating looks like it'll resist corrosion well. Exactly what I needed for mounting a heavy steel bracket.