Mutual Screw & Supply

7/8-9 X 4" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc (10 / Pkg.)

7/8-9 X 4" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc (10 / - Main image
$69.51 $95.22 In stock

7/8-9 x 4" 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: 4"
  • Threads Per Inch: 9
  • Material: Alloy Steel
  • Grade: PFC9
  • Finish: Yellow Zinc CR+6
  • Pack Quantity: 10
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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 (4.2 / 5 · 5 reviews)

Brian Z. ★★★★★

Used a full package on a conveyor rebuild and every single one seated without a hiccup — the hex heads grabbed a socket cleanly, no stripped corners. The yellow zinc finish is holding up fine against the shop’s humidity so far. Exactly what you want when you’re torquing to spec and can’t afford a fa

Samuel ★★★★★

Threads are clean and the yellow zinc coating is even across all ten, so they’ll hold up fine in a damp shop. I grabbed these for a pump base rebuild and the hex heads seated snug with a socket, no stripped corners. Exactly what I expected from a US-made fastener.

Emily ★★★★★

The torque on these 7/8-9 bolts was consistent across all ten, and the yellow zinc coating looks like it’ll hold up well in my shop. Threads were clean and started smoothly by hand.