Mutual Screw & Supply

M12-1.75 X 40mm Socket Cap Screws | Low Head Hex Socket Drive | Fully Threaded | Class 10.9 Alloy Steel Thermal Black Oxide (50 / Pkg.)

M12-1.75 X 40mm Socket Cap Screws | Low Head Hex Socket Drive | Fully Threaded - Main image
$44.61 $60.28 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
  • 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
  • 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: 50 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 (4.8 / 5 · 5 reviews)

Grace R. ★★★★★

The low head profile on these M12 screws saved me on a tight-clearance jig where standard caps wouldn’t fit. The black oxide finish looks uniform across all 50 pieces, and the hex socket drove cleanly without stripping. Solid batch for the price.

Evelyn N. ★★★★★

Bought these for a custom fixture and the black oxide finish holds up nicely against wrench scuffs. The 40mm length was exact for my spacer stack, and the hex socket seated without any stripped corners.

James Q. ★★★★★

Needed a low-profile cap screw for a tight spot in a tooling assembly, and the 10.9 alloy steel held up perfectly under 60 ft-lbs of torque without any stripping. The black oxide finish was uniform across all 50 pieces, which gave me confidence in their consistency.