Mutual Screw & Supply

M24-3 X 40mm Hex Head Cap Screws | Class 8.8 Steel Yellow Zinc | Fully Threaded (20 / Pkg.)

M24-3 X 40mm Hex Head Cap Screws | Class 8.8 Steel Yellow Zinc | Fully Threaded - Main image
$49.25 $68.4 In stock

M24-3 x 40mm hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Class 8.8 Steel Yellow Zinc construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 20

Specifications

  • Thread Size: M24-3
  • Length: 40mm
  • Thread Pitch: 3mm
  • Material: Steel
  • Grade: Class 8.8
  • Finish: Yellow Zinc CR+6
  • Thread Style: Fully Threaded
  • Pack Quantity: 20
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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 (3.8 / 5 · 5 reviews)

Nicholas ★★★★★

Used these to secure a heavy steel bracket on our shop press, and the fully threaded grip made all the difference. The yellow zinc finish on these M24-3 x 40mm screws held up nicely against the grease and oil. Exactly what I needed for industrial-grade fastening.

Sophia R. ★★★★☆

Installed a set of these on a heavy press and the threads caught cleanly without any binding. The class 8.8 rating gives me confidence they'll handle the torque. Only wish the package had a few more extras.

Richard Y. ★★★★☆

The yellow zinc coating is holding up fine on these after a couple of weeks in a damp shop, which is what I was worried about. Threads are clean and cut into the steel without binding, though the 40mm length is a bit short for what I underestimated. Solid enough for light machinery work, just wish t