Mutual Screw & Supply

M4-0.7 X 20mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (600 / Pkg.)

M4-0.7 X 20mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class - Main image
$26.7 $36.58 In stock

These M4-0.7 x 20mm 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: M4-0.7
  • Length: 20mm
  • 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: M4-0.7
  • Length: 20mm
  • 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 (5.0 / 5 · 5 reviews)

Evelyn H. ★★★★★

Used a full box assembling a custom jig frame and every single one threaded smoothly with zero binding. The hex socket holds the driver tight, which I appreciate when working in tight spots. For the price per piece at this size and strength, it's hard to beat.

Nicholas P. ★★★★★

The black oxide finish on these screws holds up well, and the hex socket drive made installing them in my jig a breeze. Exactly the right thread engagement for precision assemblies.

Lily D. ★★★★★

Was pleasantly surprised by the consistent thread quality across all 600 screws—every one seated smoothly into my jig without any binding. The black oxide finish feels durable and gives them a nice, uniform look. Exactly what I needed for reliable, repeatable precision assemblies.