Mutual Screw & Supply

1/4-20 X 3-1/4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially Threaded (100 / Pkg.)

1/4-20 X 3-1/4" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Partially - Main image
$24.53 $40.88 In stock

1/4-20 x 3-1/4" 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 100

Specifications

  • Thread Size: 1/4-20
  • Length: 3-1/4"
  • Threads Per Inch: 20
  • Material: Steel
  • Grade: Grade 5
  • Finish: Yellow Zinc CR+6
  • Thread Style: Partially Threaded
  • Pack Quantity: 100
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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)

Chloe ★★★★★

The partial threading on these is perfect for snugging down into a jig plate without bottoming out—saved me from threading all the way. The yellow zinc coating looks clean and hasn't shown any rust after a few weeks in my damp garage. Just wish the package came with a few extras for the inevitable d

Mia ★★★★★

Needed a few for a workbench jig and the partially threaded shank made alignment much easier than fully threaded bolts. The yellow zinc coating looks clean and the hex head grabbed perfectly with a socket.

Daniel ★★★★★

These 1/4-20 bolts threaded smoothly into my trailer hitch project with no binding at all. The partially threaded shank gave me exactly the grip length I needed.