Mutual Screw & Supply

M3-0.5 X 12mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (900 / Pkg.)

M3-0.5 X 12mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class - Main image
$31.39 $49.83 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
  • 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
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 12.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M3-0.5
  • Length: 12mm
  • Measurement type: Metric
  • Pack quantity: 900 per package
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Standard Shipping · United States: $0.00

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)

Olivia F. ★★★★★

The black oxide finish on these screws looks really sharp against the silver jig I used them in, and the hex drive held up perfectly under high torque without any stripping.

Daniel V. ★★★★★

I've been using these M3-0.5 x 12mm screws for assembling custom jigs and they hold tight even under repeated clamping. The black oxide finish hasn't chipped or faded on me yet.

Chloe M. ★★★★★

The hex socket drive grips my Allen key perfectly, no stripping even when I torqued them into a jig fixture. The 12.9 alloy steel feels noticeably denser than the cheap hardware store stuff, and the black oxide coating looks sharp on my machine builds.