Mutual Screw & Supply

M6-1 X 18mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class 8.8 Alloy Steel Thermal Black Oxide (600 / Pkg.)

M6-1 X 18mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class 8.8 - Main image
$31.36 $45.45 In stock

These M6-1 x 18mm 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: M6-1
  • Length: 18mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 8.8
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M6-1
  • Length: 18mm
  • 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)

Jason ★★★★★

The hex socket drive on these caught the thread perfectly without any cam-out, which is exactly what I needed for a few jigs I’m building. I’ve used maybe 200 of the 600 so far and every single one has seated cleanly. They’re a solid buy for the price.

Grace ★★★★★

For my jig setup, these threaded all the way in without a single hiccup—the hex socket drive seated perfectly every time. Having 600 in one box means I won't be scrambling for fasteners mid-project, and the black oxide finish looks clean against the steel.

Amelia S. ★★★★★

The thermal black oxide finish on these M6 screws provides excellent corrosion resistance for my jig builds. They drive smoothly with a hex key and the threading is crisp, making assembly quick and reliable. A solid upgrade for precision fixtures.