Mutual Screw & Supply

M12-1.75 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded | Class 10.9 Alloy Steel Thermal Black Oxide (100 / Pkg.)

M12-1.75 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully - Main image
$48.27 $69.95 In stock

These M12-1.75 x 40mm socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Thermal Black Oxide
  • Head style: Button Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M12-1.75
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Button Head
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 10.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M12-1.75
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 100 per package
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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)

Sebastian Z. ★★★★★

I needed some sturdy bolts for a jig I’m building, and these M12s came fully threaded with a nice hex socket drive that fits my Allen wrench perfectly. The Class 10.9 alloy steel feels solid, and the black oxide finish gave them a clean, uniform look right out of the package.

Ellie ★★★★★

The black oxide finish feels premium and the hex socket drive seated perfectly on my torque wrench. I've used a couple dozen so far in my fixture builds and not a single stripped head or burred thread. The 10.9 grade gives me real confidence under load in my jigs.

Eli ★★★★★

Installed these on a heavy-duty press fixture and the Class 10.9 alloy steel held torque perfectly without any stripping—very impressed with the black oxide finish's grip too.