Mutual Screw & Supply

7/16-20 X 1" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Fully Threaded (100 / Pkg.)

7/16-20 X 1" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc - Main image
$122.37 $165.37 In stock

7/16-20 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: 7/16-20
  • Length: 1"
  • Threads Per Inch: 20
  • 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)

Timothy ★★★★★

I needed some reliable fasteners for mounting a metal bracket, and these grade L9 bolts were tougher than the hardware store stuff I usually grab. The hex head made them easy to drive with a socket, and the full threading gave a solid, secure grip.

Isabella ★★★★★

The yellow zinc finish on these bolts is even and consistent across all 100 pieces, which made my assembly line work much smoother. The hex heads gave my socket a solid bite right out of the box. Definitely a step up from the last batch I bought.

Daniel K. ★★★★★

The threads cut clean and the hex heads seated perfectly in my socket wrench—no stripped corners, no fighting the zinc coating. A full bag of these L9s is exactly what I needed for the machine assembly, and the yellow zinc finish should hold up well in the shop.