Mutual Screw & Supply

1"-8 X 3" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Fully Threaded (40 / Pkg.)

1"-8 X 3" Hex Head Cap Screws | Grade 5 Steel Yellow Zinc | Fully Threaded (40 - Main image
$71.07 $114.63 In stock

1"-8 x 3" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade 5 Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 40

Specifications

  • Thread Size: 1"-8
  • Length: 3"
  • Threads Per Inch: 8
  • Material: Steel
  • Grade: Grade 5
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 40
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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)

John ★★★★★

Fatigue cracked the old bolts on my press stand, so I grabbed these Grade 5 replacements. The hex heads let me torque them down solidly with a socket, and the yellow zinc finish already looks less rusty than the originals after a few days in the shop.

Lily Y. ★★★★★

The threads cut cleanly into my equipment frame without any binding. These grade 5 bolts feel solid for holding a heavy motor mount in place.

Charlotte ★★★★★

I needed some heavy-duty bolts for a machine frame repair, and these Grade 5 screws threaded in smoothly without any binding. The yellow zinc coating looks durable, and the hex heads held up well under my socket wrench torque.