Mutual Screw & Supply

7/8-9 X 4-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Partially Threaded (15 / Pkg.)

7/8-9 X 4-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow - Main image
$205.55 $336.97 In stock

7/8-9 x 4-1/2" 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: 4-1/2"
  • 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 (5.0 / 5 · 5 reviews)

Adam ★★★★★

I needed a dozen for a heavy flange repair on a press and these Grade L9 bolts seated perfectly with no thread binding. The partial threading made alignment faster than fully threaded ones would have.

Natalie ★★★★★

The yellow zinc finish on these cap screws looks good and the Grade L9 steel feels really solid. Used a dozen of them to reassemble a piece of equipment and the 4-1/2" length was perfect for the job.

Thomas ★★★★★

Got these to replace some worn bolts on a large press, and the grade L9 alloy steel handled the torque without any issue. The yellow zinc finish looks good and seems like it'll resist rust well in our shop.