Mutual Screw & Supply

M3-0.5 X 30mm Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded | Class 10.9 Alloy Steel Thermal Black Oxide (600 / Pkg.)

M3-0.5 X 30mm Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded - Main image
$30.99 $45.57 In stock

These M3-0.5 x 30mm 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: Button Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M3-0.5
  • Length: 30mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Button 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: 30mm
  • 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 (5.0 / 5 · 5 reviews)

Hazel T. ★★★★★

The black oxide finish feels durable and the hex drive seated perfectly in my tooling jig without stripping. Thread engagement was smooth all the way down the 30mm length. These held firm under moderate torque for a precision assembly I was building.

Grace U. ★★★★★

Packed a jig fixture with these M3 screws and every one seated perfectly without any binding—the hex socket drive gave a clean, consistent torque every time. For precision work requiring class 10.9 strength at this small size, they’re exactly what I needed.

Michael ★★★★★

The black oxide finish on these M3 screws looks great and seems to hold up well against wear in my jig setup. They fit perfectly into the hex socket driver without any stripping issues.