Mutual Screw & Supply

M3-0.5 X 12mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | Class 10.9 Alloy Steel Thermal Black Oxide (800 / Pkg.)

M3-0.5 X 12mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | - Main image
$24.47 $35.46 In stock

These M3-0.5 x 12mm 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: M3-0.5
  • Length: 12mm
  • 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 10.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M3-0.5
  • Length: 12mm
  • Measurement type: Metric
  • Pack quantity: 800 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)

Harper ★★★★★

Got these for a batch of jigs I'm building, and the black oxide finish on the 12mm length is holding up nicely against wear. The hex socket drive gives a solid grip without stripping, even torquing them down tight. Perfect fit for precision assemblies.

Eli O. ★★★★★

I needed a bulk batch of M3 screws for a jig I'm building, and these 12mm ones are perfectly threaded all the way to the head. The hex socket drives feel snug and reliable in my driver, no slippage or stripped heads so far.

Kevin G. ★★★★★

I bought these for a jig I'm building and the hex socket drive makes installation much easier than a Phillips head. The Class 10.9 alloy steel feels strong, and the 800-pack means I won't run out for a while.