Mutual Screw & Supply

M5-0.8 X 30mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | Class 12.9 Alloy Steel Thermal Black Oxide (400 / Pkg.)

M5-0.8 X 30mm Socket Cap Screws | Flat Head Hex Socket Drive | Fully Threaded | - Main image
$28.57 $40.82 In stock

These M5-0.8 x 30mm 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
  • Head style: Flat Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M5-0.8
  • Length: 30mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Flat Head
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 12.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M5-0.8
  • Length: 30mm
  • 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)

Lucy K. ★★★★★

The black oxide finish on these screws is much more consistent than the silvery ones I used before, and the hex drive grips perfectly without stripping. They seated flush into my jig frame without any wobble, and the 12.9 grade steel feels solid enough for production tooling.

Samuel ★★★★★

Had to swap out some cheap machine screws on a fixture, and these flat heads sit flush without any wobble. The black oxide finish looks clean and professional, and the hex drive made installation quick with no stripped heads. Exactly what I needed for precision tooling work.

Chloe S. ★★★★★

These worked perfectly for the jig I'm building; the black oxide finish is slick and uniform across all 400 pieces. I was a bit surprised at how well the hex socket grips the driver—no cam-out on the first few test fastenings.