Mutual Screw & Supply

1/4-28 X 1" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Fully Threaded (100 / Pkg.)

1/4-28 X 1" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | - Main image
$30.66 $48.67 In stock

1/4-28 x 1" 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 100

Specifications

  • Thread Size: 1/4-28
  • Length: 1"
  • Threads Per Inch: 28
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Fully Threaded
  • Pack Quantity: 100
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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)

Julian Q. ★★★★★

Finally, a hex screw that doesn't strip under full torque – the Grade L9 alloy holds up even in heavy machinery. I used these on a press build and the threads cut cleanly without any binding.

Riley N. ★★★★★

I've used a lot of hex cap screws over the years, and these L9 alloy steel ones with the yellow zinc are noticeably tougher than the standard stuff I usually grab. The 1/4-28 threads are fully cut and drove in clean with a socket.

Eli ★★★★★

The threads cut perfectly into my jig plate with zero binding, and the yellow zinc finish looks clean even after a week of shop use. These are my new go-to for anything needing a solid 1/4-28 hold.