Mutual Screw & Supply

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

1"-8 X 9" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | - Main image
$405.47 $571.08 In stock

1"-8 x 9" 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 8

Specifications

  • Thread Size: 1"-8
  • Length: 9"
  • Threads Per Inch: 8
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Partially Threaded
  • Pack Quantity: 8
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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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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)

Emma ★★★★★

These threads bit into the steel like they meant it—the yellow zinc finish held up fine under a wrench, no galling. For a 9-inch bolt, the partial threading made alignment way easier than dealing with a fully threaded rod.

Ava A. ★★★★★

Broke one of these loose on a big air compressor after a year of rust—the hex head held up perfectly to a breaker bar without rounding. They’re beefy enough that I used them to replace the bolts on a press table, and the partial threading made alignment much easier.

Scarlett ★★★★★

The threading is cut clean and the yellow zinc finish looks uniform across all eight bolts. I used them to secure a heavy press frame and the partially threaded design gave me plenty of grip length without fighting the full shank.