Mutual Screw & Supply

5/8-18 X 2-1/2" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc (25 / Pkg.)

5/8-18 X 2-1/2" Hex Head Cap Screws | USA Made | PFC9 Alloy Steel Yellow Zinc - Main image
$57.08 $80.39 In stock

5/8-18 x 2-1/2" 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 25

Specifications

  • Thread Size: 5/8-18
  • Length: 2-1/2"
  • Threads Per Inch: 18
  • Material: Alloy Steel
  • Grade: PFC9
  • Finish: Yellow Zinc CR+6
  • Pack Quantity: 25
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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 (4.8 / 5 · 5 reviews)

Carter S. ★★★★★

Threads are clean and the yellow zinc finish looks even across all 25 pieces. Used them to mount a gearbox onto a frame today, and the hex head grabbed the socket perfectly without any stripping hassle. Solid, reliable hardware for the money.

Zoe A. ★★★★★

These are the bolts I reach for when I need to trust a connection won't work itself loose, and the hex head grabs a socket cleanly every time. The PFC9 alloy steel feels dense and solid, and the yellow zinc finish looks uniform with no drips or bare spots. Took a while to find a US-made option in th

Kevin J. ★★★★★

The yellow zinc coating on these screws is a nice touch—looks clean and should resist rust better than plain steel. Threads seated smoothly into a heavy bracket I was mounting. Solid USA-made fasteners for the price.