Mutual Screw & Supply

7/8-9 X 3-1/2" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc (10 / Pkg.)

7/8-9 X 3-1/2" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc - Main image
$51.89 $85.07 In stock

7/8-9 x 3-1/2" 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 10

Specifications

  • Thread Size: 7/8-9
  • Length: 3-1/2"
  • Threads Per Inch: 9
  • Material: Alloy Steel
  • Grade: PFC9
  • Finish: Yellow Zinc CR+6
  • Pack Quantity: 10
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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)

Claire ★★★★★

The yellow zinc coating on these bolts hasn't chipped at all during a recent machine repair project, which I appreciate. Thread engagement was smooth and consistent all the way down the full 3-1/2 inch length.

Grace ★★★★★

Used these to bolt down a heavy-duty press in my shop, and the yellow zinc finish on the heads shows no sign of rust even after a few weeks in a damp garage. The 3-1/2 inch length gave me just enough thread engagement through the steel base plate without bottoming out, which was a relief. Solid, pre

Ella C. ★★★★★

Threads are clean and the hex head grabs a wrench without slipping, which matters when you're torquing these down on a press. Used a full box on a frame repair and every one seated perfectly. For a ten-pack of this grade, that's exactly what I needed.