Mutual Screw & Supply

M12 X 40mm Socket Cap Screws | Hex Socket Drive | Class 12.9 Alloy Steel (160 / Pkg.)

M12 X 40mm Socket Cap Screws | Hex Socket Drive | Class 12.9 Alloy Steel (160 / - Main image
$61.17 $86.15 In stock

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

  • Material and finish: Alloy Steel
  • Drive: Hex Socket Drive
  • Thread size: M12
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Plain
  • Grade: Class 12.9
  • Drive type: Hex Socket Drive
  • Thread size: M12
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 160 per package
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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 (4.4 / 5 · 5 reviews)

Stella V. ★★★★★

Installed a batch of these in a heavy-duty jig yesterday and they torqued down evenly without any binding. The 12.9 alloy steel gives me real confidence for load-bearing fixtures around the shop.

Sophia ★★★★★

The hex socket drive on these M12 screws fit my torque wrench perfectly, no stripping. All 160 pieces in the pack were cleanly threaded and consistent. Exactly what my jig assembly needed.

Avery H. ★★★★★

We build a lot of jigs in our shop and these cap screws have been spot-on—the hex socket drive grips cleanly every time, and the 12.9 alloy steel feels tough enough for our milling fixtures. The 160-count box means I won't be reordering for a while.