Mutual Screw & Supply

1/2-13 X 7/8" Hex Head Cap Screws | Grade 8 Steel Yellow Zinc | Fully Threaded (450 / Pkg.)

1/2-13 X 7/8" Hex Head Cap Screws | Grade 8 Steel Yellow Zinc | Fully Threaded - Main image
$101.42 $149.14 In stock

1/2-13 x 7/8" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 8 Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 450

Specifications

  • Thread Size: 1/2-13
  • Length: 7/8"
  • Threads Per Inch: 13
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 450
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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)

Alexander ★★★★★

The yellow zinc coating on these screws is holding up perfectly in my outdoor assembly setup, and the hex heads make them easy to drive with a socket. Exactly the Grade 8 strength I needed for a heavy-duty frame.

Joseph ★★★★★

Finally got these in for a big equipment rebuild, and the Grade 8 yellow zinc finish is holding up great under torque. The hex head seats nicely in a socket, making installation quick even with 450 pieces to handle.

Sebastian M. ★★★★★

These are perfect for a project I’m working on where I need to bolt a heavy bracket to a steel frame—the threads cut cleanly and the hex heads grab a wrench without slipping.