Mutual Screw & Supply

M27-3 X 180mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (5 / Pkg.)

M27-3 X 180mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class - Main image
$85.73 $129.89 In stock

These M27-3 x 180mm 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: Partially Threaded
  • Thread size: M27-3
  • Length: 180mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 12.9
  • Drive type: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M27-3
  • Length: 180mm
  • Measurement type: Metric
  • Pack quantity: 5 per package
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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 (5.0 / 5 · 5 reviews)

Michael ★★★★★

The hex socket drive seated the Allen key perfectly, no wobble or stripped edges even under full torque. The black oxide finish has a consistent, matte look that fits right in with my tooling setup, and the 12.9 grade gives me confidence these won't shear on the press.

Samuel K. ★★★★★

Used these 180mm screws for a heavy jig build—the hex socket drive made tightening them in tight spots much easier than I expected. Thread engagement felt solid and precise right out of the box. Definitely glad I went with the 12.9 alloy steel for this job.

Steven ★★★★★

The thermal black oxide finish on these screws held up perfectly during assembly—no chipping or galling at all. I used them for a custom jig setup, and the hex socket drive made tightening much easier than a standard hex head.