Mutual Screw & Supply

1/4-20 X 1-3/4" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Partially Threaded (100 / Pkg.)

1/4-20 X 1-3/4" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow - Main image
$50.72 $72.45 In stock

1/4-20 x 1-3/4" 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 100

Specifications

  • Thread Size: 1/4-20
  • Length: 1-3/4"
  • Threads Per Inch: 20
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Partially Threaded
  • Pack Quantity: 100
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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 (4.8 / 5 · 5 reviews)

Scarlett ★★★★★

Used these on a press fixture that takes a lot of vibration and the partially threaded length seated perfectly with zero play. The yellow zinc coating is holding up way better than the black oxide stuff I used before.

Hannah ★★★★★

Finally found some bolts that don't snap under heavy torque—these L9 alloy steel hex heads are a beast for industrial assembly. The partial threading saved me time aligning brackets without stripping.

Violet ★★★★★

The hex heads on these bolts fit my socket perfectly without any wobble. Used them to replace critical fasteners on a press, and the L9 grade gives me real confidence in the load.