Mutual Screw & Supply

M5-0.8 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded | Class 10.9 Alloy Steel Thermal Black Oxide (400 / Pkg.)

M5-0.8 X 40mm Socket Cap Screws | Button Head Hex Socket Drive | Fully Threaded - Main image
$31.74 $46.68 In stock

These M5-0.8 x 40mm 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: Button Head
  • Drive: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M5-0.8
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Head style: Button Head
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Grade: Class 10.9
  • Drive type: Hex Socket Drive
  • Thread style: Fully Threaded
  • Thread size: M5-0.8
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 400 per package
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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 (4.4 / 5 · 5 reviews)

Stella B. ★★★★★

The black oxide finish is evenly applied and the threads are clean all the way down—no burrs or binding when I ran them into tapped holes. I used about 80 of these for a fixture setup and every single one seated flush without issue. For the price per piece, these are hard to beat for any jig or prec

Matthew O. ★★★★★

Threads are clean and uniform across all 400 pieces, which saved me a ton of time on a light fixture assembly where I needed exact lengths. The black oxide finish grips well without any galling when I’m torquing them down, and the hex drive seated perfectly on my driver. These are solidly built for

Jason F. ★★★★★

Installed these in a jig I’m building for a production run and the black oxide finish handled the oily shop environment without rusting. The hex socket drive bit fit snugly, no wobble at all.