Mutual Screw & Supply

M42-4.5 X 120mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Thermal Black Oxide

M42-4.5 X 120mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class - Main image
$58.66 $80.35 In stock

These M42-4.5 x 120mm 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: M42-4.5
  • Length: 120mm
  • 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: M42-4.5
  • Length: 120mm
  • Measurement type: Metric
  • Pack quantity: 1 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 (4.8 / 5 · 5 reviews)

Emily Z. ★★★★★

The hex socket drive bit into these perfectly with zero stripping, and the 12.9 alloy steel feels rock solid compared to the softer stuff I usually grab. Threaded all the way down, so they seated flush in my jig without any fuss. Exactly what I needed for a heavy-duty fixture.

Isabella V. ★★★★★

Swapped out some cheaper bolts on my milling jig for these, and the class 12.9 strength is immediately noticeable. The black oxide finish feels more durable than plain steel, and the hex drive seated perfectly.

Stella ★★★★★

Pulled out my torque wrench to tighten down a jig frame today and these M42 socket caps held without a hint of flex. The black oxide finish also adds a nice bit of corrosion resistance for the shop environment.