Mutual Screw & Supply

M42-4.5 X 340mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | Class 12.9 Alloy Steel Thermal Black Oxide

M42-4.5 X 340mm Socket Cap Screws | Hex Socket Drive | Partially Threaded | - Main image
$164.82 $228.91 In stock

These M42-4.5 x 340mm 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: M42-4.5
  • Length: 340mm
  • 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: M42-4.5
  • Length: 340mm
  • Measurement type: Metric
  • Pack quantity: 1 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 (4.6 / 5 · 5 reviews)

Ella ★★★★★

The black oxide finish on these M42 socket cap screws looks professional and seems durable. They threaded smoothly into my jig assembly without any binding. Exactly the heavy-duty hardware I needed for a tooling fixture.

Jason ★★★★★

The M42-4.5 x 340mm size is exactly as specified, and the hex socket drive seated my Allen key perfectly without any play. The partially threaded length gave me just the right grip for my jig assembly, and the thermal black oxide looks factory-fresh. These are solid, heavy-duty fasteners for the pri

Adam ★★★★★

The black oxide finish on these 12.9-grade bolts looks properly done, no flaking or uneven spots along the shank. Threads were clean and the partial threading made alignment in my jig setup a lot simpler than I expected.