Mutual Screw & Supply

1/2-20 X 3" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc (50 / Pkg.)

1/2-20 X 3" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc (50 / - Main image
$78.49 $115.42 In stock

1/2-20 x 3" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • PFC9 Alloy Steel Yellow Zinc construction
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 50

Specifications

  • Thread Size: 1/2-20
  • Length: 3"
  • Threads Per Inch: 20
  • Material: Alloy Steel
  • Grade: PFC9
  • Finish: Yellow Zinc CR+6
  • 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 (5.0 / 5 · 5 reviews)

Evelyn ★★★★★

Threads are clean and the hex heads grabbed my socket perfectly — no stripped edges or sloppy fit on the first try. The alloy steel feels dense and solid, and they drive in with zero wobble. Exactly what I needed for the press rebuild.

Edward ★★★★★

The yellow zinc coating looks great and should hold up well in my shop environment. These are the first USA made fasteners I've bought in a while, and the quality difference is obvious.

Aurora ★★★★★

The hex head on these screws grabs a socket perfectly without any slipping, and the yellow zinc finish looks clean. I used a full package to secure several motor mounts on a shop conveyor with no issues.