Mutual Screw & Supply

M8-1.25 X 40mm Hex Head Cap Screws | Class 8.8 Steel Plain | Fully Threaded (200 / Pkg.)

M8-1.25 X 40mm Hex Head Cap Screws | Class 8.8 Steel Plain | Fully Threaded - Main image
$27.64 $38.39 In stock

M8-1.25 x 40mm hex head cap screws for machinery, equipment assembly and general industrial fastening.

  • Class 8.8 Steel Plain construction
  • Fully Threaded
  • Hex head for wrench or socket drive
  • Sold in packs of 200

Specifications

  • Thread Size: M8-1.25
  • Length: 40mm
  • Thread Pitch: 1.25mm
  • Material: Steel
  • Grade: Class 8.8
  • Finish: Plain
  • Thread Style: Fully Threaded
  • Pack Quantity: 200
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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)

John ★★★★★

Noticed right away these hex heads give a nice solid bite with a socket — no stripping. The 40mm length fit perfectly for bolting down a heavy motor mount.

Aurora ★★★★★

Needed a full set of 40mm bolts for a frame jig I’m building, and the 8.8 grade steel gives me confidence these won’t strip under heavy load. The hex heads fit a standard socket perfectly and the threads are clean all the way down.

Kevin ★★★★★

The box of 200 arrived well-sealed—each M8 bolt has clean threads that thread into blind holes without binding or cross-threading. I used them to secure motor mounts on a small milling machine, and the class 8.8 steel felt solid under the wrench.