Mutual Screw & Supply

3/8-24 X 2-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow Zinc | Partially Threaded (50 / Pkg.)

3/8-24 X 2-1/2" Hex Head Cap Screws | USA Made | Grade L9 Alloy Steel Yellow - Main image
$78.83 $115.92 In stock

3/8-24 x 2-1/2" 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 50

Specifications

  • Thread Size: 3/8-24
  • Length: 2-1/2"
  • Threads Per Inch: 24
  • Material: Alloy Steel
  • Grade: Grade L9
  • Finish: Yellow Zinc CR+3
  • Thread Style: Partially Threaded
  • Pack Quantity: 50
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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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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.6 / 5 · 5 reviews)

Natalie N. ★★★★★

The threading is clean and consistent right out of the box, making assembly quick and precise. Used a dozen of these to secure a jig on my milling table, and they held firm under heavy vibration.

Jason G. ★★★★★

They fit perfectly in my lathe's tool post bolts, and the L9 alloy is definitely tougher than the standard hardware store stuff. The partial threading made assembly a breeze since the grip section is nice and clean.

Charlotte ★★★★★

The partial threading on these 3/8-24 bolts made it easy to get a solid grip when tightening down a heavy bracket on my press. The Grade L9 steel feels incredibly tough, and the yellow zinc coating looks clean and uniform across all 50 pieces.