Mutual Screw & Supply

M2.5-0.45 X 20mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (600 / Pkg.)

M2.5-0.45 X 20mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully - Main image
$30.47 $42.92 In stock

These M2.5-0.45 x 20mm 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: Flat Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M2.5-0.45
  • Length: 20mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Flat Head
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 12.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M2.5-0.45
  • Length: 20mm
  • Measurement type: Metric
  • Pack quantity: 600 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 (4.8 / 5 · 5 reviews)

Stella ★★★★★

Used a few of these in a precision jig today and the black oxide finish wiped clean without any fuss. For 600 pieces at this price, the class 12.9 hardness feels like a solid deal, and they threaded smoothly into a tapped hole without any binding.

Ruby R. ★★★★★

The hex socket drive grips the Allen key perfectly with no stripping, and the 12.9 alloy steel feels seriously tough for the price. I've used about a hundred of them on my jigs so far and not one has snapped or rounded out.

Ava N. ★★★★★

The black oxide finish on these M2.5 screws looks uniform and hasn't chipped after torquing them into several jig fixtures. Class 12.9 strength gives me confidence they won't strip out mid-assembly, and the hex socket drive seats cleanly every time. A full 600-pack means I've got plenty for future p