Mutual Screw & Supply

1/2-13 X 5-1/4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially Threaded (25 / Pkg.)

1/2-13 X 5-1/4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially - Main image
$44.33 $63.33 In stock

1/2-13 x 5-1/4" 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: 1/2-13
  • Length: 5-1/4"
  • Threads Per Inch: 13
  • 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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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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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)

Isabella K. ★★★★★

The partial threading made all the difference for my jig setup—the unthreaded shank gives a solid bite against the plate instead of wobbling on the threads. Yellow zinc finish looks clean and hasn't shown any rust after a week of shop use, and the grade 5 rating feels plenty tough for my equipment.

Emily ★★★★★

These are my go-to for attaching brackets to a skid loader, and that partial thread makes all the difference for getting a snug fit without bottoming out. The hex heads grab a socket cleanly and the zinc finish has held up fine so far.

David ★★★★★

The yellow zinc coating on these is really consistent and clean. They threaded into my existing tapped holes without any binding, and the partial threading makes alignment much easier.