Mutual Screw & Supply

3/8-16 X 4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially Threaded (250 / Pkg.)

3/8-16 X 4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially - Main image
$66.33 $93.42 In stock

3/8-16 x 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 250

Specifications

  • Thread Size: 3/8-16
  • Length: 4"
  • Threads Per Inch: 16
  • Material: Steel
  • Grade: Grade 5
  • Finish: Yellow Zinc CR+6
  • Thread Style: Partially Threaded
  • Pack Quantity: 250
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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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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)

Nicholas ★★★★★

The yellow zinc finish on these is holding up great so far, even after I dropped one on the concrete shop floor. The partial threading gave me just enough grip to fasten my brackets without bottoming out—perfect fit for what I needed.

Samuel H. ★★★★★

These bolts were the exact length I needed for a trailer hitch repair; the partially threaded shank gave me plenty of grip. The yellow zinc finish looks solid and matches the rest of my hardware. A full box of 250 means I won't run out for future projects.

Stella ★★★★★

The threads cut clean and the yellow zinc finish looks uniform across all 250 pieces, which made sorting them for a batch of weldments quick. Partially threaded design gripped just right for the depth I needed on the frame jig.