Mutual Screw & Supply

M22-2.5 X 340mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class 12.9 Alloy Steel Thermal Black Oxide

M22-2.5 X 340mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | - Main image
$35.45 $57.18 In stock

These M22-2.5 x 340mm 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: M22-2.5
  • Length: 340mm
  • 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: M22-2.5
  • Length: 340mm
  • Measurement type: Metric
  • Pack quantity: 1 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)

Andrew I. ★★★★★

I usually buy 316 stainless for outdoor tooling, but these black oxide ones hold up better in the oily fixtures I use, and the hex drive made torquing them down much easier than I expected.

Olivia G. ★★★★★

Threading these into a jig fixture was smooth—the black oxide finish has a nice, grippy texture. I’m using a set for a heavy press frame and the 12.9 alloy steel feels incredibly rigid under load.

William O. ★★★★★

The 12.9 alloy steel is no joke—I torqued these into a jig frame and the threads cut clean without a hint of galling. The black oxide finish gave them a nice, uniform grip in the socket, and at 340mm they’re solid for heavy fixtures.