Mutual Screw & Supply

M6-1 X 40mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class 8.8 Alloy Steel Zinc Plated (400 / Pkg.)

M6-1 X 40mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class - Main image
$35.34 $49.78 In stock

These M6-1 x 40mm socket cap screws are manufactured from Alloy Steel Zinc Plated, featuring a hex socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Zinc Plated
  • Drive: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M6-1
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Zinc Plated
  • Grade: Class 8.8 CR+3
  • Drive type: Hex Socket Drive
  • Thread style: Partially Threaded
  • Thread size: M6-1
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 400 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)

Grace ★★★★★

The partial threading on these 40mm screws made them perfect for aligning a jig without binding, and they came out of the box with a consistent, clean finish. All 400 pieces look identical under a magnifier, which is exactly what I wanted for repeat builds.

Victoria V. ★★★★★

I needed a batch of precision fasteners for a jig I’m building, and these M6-1 x 40mm screws fit perfectly—the hex socket drive made install a breeze. The partially threaded design gave just the right bite for the load-bearing joint.

William R. ★★★★★

The zinc plating on these 8.8 alloy steel screws is holding up nicely against the shop grime, and the hex socket drive seats cleanly without stripping—even on the third reassembly of my jig. The 40mm length with partial threading gave me just the grip I needed for a tight clamp setup.