Mutual Screw & Supply

9/16-18 X 1-1/4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Fully Threaded (50 / Pkg.)

9/16-18 X 1-1/4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Fully - Main image
$42.32 $63.16 In stock

9/16-18 x 1-1/4" hex head cap screws for machinery, equipment assembly and general industrial fastening.

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

Specifications

  • Thread Size: 9/16-18
  • Length: 1-1/4"
  • Threads Per Inch: 18
  • Material: Steel
  • Grade: Grade 5
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully 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 (5.0 / 5 · 5 reviews)

Zoe W. ★★★★★

The yellow zinc finish looks uniform across all fifty bolts, and the threads are clean right out of the package. I used them to mount a steel bracket and the 1-1/4" length fit perfectly without any trimming.

Isabella ★★★★★

These bolts hold up great under torque—the yellow zinc coating looks clean and hasn't shown any wear after a week of heavy use on my trailer hitch. The hex head grips a socket perfectly, and having 50 in the pack means I've got spares for the next project.

Christopher X. ★★★★★

I've been using these fully threaded 9/16-18 cap screws for rebuilding an old piece of farm equipment, and the hex head makes them super easy to torque down with a socket. They fit perfectly in the pre-tapped holes and feel solid, no stripping issues.