Mutual Screw & Supply

M1.6-0.35 X 4mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (600 / Pkg.)

M1.6-0.35 X 4mm Socket Cap Screws | Hex Socket Drive | Fully Threaded | Class - Main image
$34.29 $51.96 In stock

These M1.6-0.35 x 4mm 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: M1.6-0.35
  • Length: 4mm
  • 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: M1.6-0.35
  • Length: 4mm
  • 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)

Miles Z. ★★★★★

The black oxide finish on these screws is perfectly even and looks great in my jig assembly. They threaded smoothly into the tapped holes without any binding, which I appreciated for such tiny fasteners.

Emily O. ★★★★★

Installed a few of these in a precision jig this morning and the hex socket drive held the driver perfectly without any cam-out. The 12.9 alloy steel feels rock solid at this small size, and getting 600 in one pack means I won't need to reorder for a long time.

Emily ★★★★★

The black oxide finish on these tiny screws is flawless and really helps them blend into my jig assembly. I appreciate how consistently the hex socket drives engage without any stripping. Perfect for tight precision work where standard screws are just too bulky.