Mutual Screw & Supply

M6-1 X 55mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (200 / Pkg.)

M6-1 X 55mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class - Main image
$25.32 $35.16 In stock

These M6-1 x 55mm 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: Partially Threaded
  • Thread size: M6-1
  • Length: 55mm
  • 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: Partially Threaded
  • Thread size: M6-1
  • Length: 55mm
  • Measurement type: Metric
  • Pack quantity: 200 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)

Carter ★★★★★

These black oxide screws look great in my jig build, and the 12.9 alloy steel feels noticeably stronger than the standard ones I've used before. The partially threaded shank works perfectly for clamping adjustments.

William G. ★★★★★

I’ve been using these for securing jig fixtures, and the 12.9 hardness really holds torque without stripping. The black oxide coating hasn’t shown any wear after a few assembly cycles.

Andrew ★★★★★

Perfect alignment, no wobble when I used them on a jig last weekend. The hex socket drive made installation smooth even in tight spots, and the 55mm length was just right for my project.