Mutual Screw & Supply

1-1/8-12 X 3" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Fully Threaded (16 / Pkg.)

1-1/8-12 X 3" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc - Main image
$409.33 $629.74 In stock

1-1/8-12 x 3" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade L9 Alloy Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 16

Specifications

  • Thread Size: 1-1/8-12
  • Length: 3"
  • Threads Per Inch: 12
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Fully Threaded
  • Pack Quantity: 16
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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)

Grace ★★★★★

Got these for a heavy-duty jig on my drill press and the yellow zinc finish seems really durable. The 3" length worked perfectly for sandwiching multiple steel plates without needing a washer.

Zoe ★★★★★

The threads cut clean and the hex head seated perfectly with my socket, no wobble or fighting the wrench. Yellow zinc finish looks solid and even across all 16 pieces, so they should hold up fine on our assembly line. These are going to save me a trip to the fastener supplier for the next big job.

Madison ★★★★★

I needed a dozen of these for a heavy-duty press repair, and the 3-inch length gave just enough bite without bottoming out. The threads are clean and sharp, making them easy to run in with a socket.