Mutual Screw & Supply

1"-8 X 5-1/4" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc (20 / Pkg.)

1"-8 X 5-1/4" Hex Head Cap Screws | USA Made | Grade 8 Steel Yellow Zinc (20 / - Main image
$312.13 $416.17 In stock

1"-8 x 5-1/4" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 8 Steel Yellow Zinc construction
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 20

Specifications

  • Thread Size: 1"-8
  • Length: 5-1/4"
  • Threads Per Inch: 8
  • Material: Steel
  • Grade: Grade 8
  • Finish: Yellow Zinc CR+3
  • Pack Quantity: 20
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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)

Lily F. ★★★★★

The threads cut clean and the hex head grabs perfectly with a socket, making installation on my press frame quick and frustration-free. These cap screws feel solid and the yellow zinc finish looks good against the steel.

Mia ★★★★★

Was tightening down some heavy-duty equipment mounts and these Grade 8 bolts held without any flex—solid feel right out of the package. The yellow zinc coating looks clean and even, no drips or burrs on the threads.

Elizabeth ★★★★★

Finally got around to using these on a heavy equipment stand and the Grade 8 steel held up perfectly under torque. The yellow zinc finish looks great and should resist rust well.