Mutual Screw & Supply

M4-0.7 X 20mm Socket Cap Screws | Low Head Hex Socket Drive | Fully Threaded | Class 10.9 Alloy Steel Thermal Black Oxide (400 / Pkg.)

M4-0.7 X 20mm Socket Cap Screws | Low Head Hex Socket Drive | Fully Threaded | - Main image
$30.22 $43.8 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 10.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M4-0.7
  • Length: 20mm
  • Measurement type: Metric
  • Pack quantity: 400 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)

Richard ★★★★★

The threading is crisp across every single one, so they drive in smoothly without any binding. I've been using them for a small jig build and the black oxide finish looks sharp while holding up well.

Avery ★★★★★

These arrived with a clean, consistent thread cut that made them a pleasure to drive into my fixture plate. The black oxide finish feels durable and hasn't shown any visible wear after repeated assembly cycles.

Edward ★★★★★

I’ve been using these in a jig I’m building and the 10.9 alloy steel feels properly tough—no stripped heads or bent shafts after a lot of tightening. The low profile heads sit flush in tight spots, which is exactly what I needed.