Mutual Screw & Supply

7/8-9 X 5-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Partially Threaded (15 / Pkg.)

7/8-9 X 5-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow - Main image
$273.71 $402.52 In stock

7/8-9 x 5-1/2" hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Grade L9 Alloy Steel Yellow Zinc construction
  • Partially Threaded
  • Hex head for wrench or socket drive
  • Made in the USA
  • Sold in packs of 15

Specifications

  • Thread Size: 7/8-9
  • Length: 5-1/2"
  • Threads Per Inch: 9
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Partially Threaded
  • Pack Quantity: 15
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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 (4.4 / 5 · 5 reviews)

Andrew M. ★★★★★

The yellow zinc coating on these Grade L9 screws is holding up great on our assembly line, no rust after three weeks of daily use. The partial threading grabbed cleanly and the hex heads seated perfectly with a socket wrench.

Violet B. ★★★★★

I needed some seriously strong fasteners for a heavy equipment repair, and these Grade L9 bolts handled the torque without any sign of stress. The partially threaded design made alignment much easier than fully threaded ones I've used before.

David ★★★★★

These bolts are stout and the yellow zinc finish looks uniform across all fifteen. Threaded them into an existing machine frame without a single hitch, and the partial threading gave plenty of grip.