Mutual Screw & Supply

1/2-13 X 1-3/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | Fully Threaded (50 / Pkg.)

1/2-13 X 1-3/8" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc | - Main image
$41.03 $66.18 In stock

1/2-13 x 1-3/8" 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
  • Made in the USA
  • Sold in packs of 50

Specifications

  • Thread Size: 1/2-13
  • Length: 1-3/8"
  • Threads Per Inch: 13
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+3
  • 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 (4.2 / 5 · 5 reviews)

Emily Y. ★★★★★

Had to fasten some heavy machine skids and these Grade 8 bolts handled the torque without stripping. The yellow zinc coating looks uniform and seems like it'll resist rust well.

Carter C. ★★★★★

Needed some high-strength bolts for a heavy-duty repair on a trailer hitch, and these fully threaded Grade 8s handled the torque without stripping. The yellow zinc coating looks solid and uniform across all 50 pieces.

Edward ★★★★★

These bolts fit perfectly into a heavy-duty bracket I’m building—the hex head grabbed the socket nicely without slipping. The yellow zinc finish on the Grade 8 steel looks clean and seems like it’ll hold up against rust. Just what I needed for a solid machinery repair.