Mutual Screw & Supply

HOLO-KROME 76808 M24-3 X 40mm Socket Cap Screws | Hex Socket Drive | Alloy Steel Thermal Black Oxide (25 / Pkg.)

HOLO-KROME 76808 M24-3 X 40mm Socket Cap Screws | Hex Socket Drive | Alloy - Main image
$351.48 $524.6 In stock

These M24-3 x 40mm socket cap screws are manufactured from Alloy Steel Thermal Black Oxide, featuring a socket drive. They are well suited to machinery, tooling, jigs, and precision assemblies.

  • Material and finish: Alloy Steel Thermal Black Oxide
  • Drive: Socket Drive
  • Thread size: M24-3
  • Length: 40mm
  • Applications: Machinery, tooling, jigs, and precision assemblies

Specifications

  • Product type: Socket Cap Screws
  • Material: Alloy Steel
  • Finish: Thermal Black Oxide
  • Drive type: Socket Drive
  • Thread size: M24-3
  • Length: 40mm
  • Measurement type: Metric
  • Pack quantity: 25 per package
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Standard Shipping · United States: $0.00

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 (4.8 / 5 · 5 reviews)

Joseph J. ★★★★★

Perfect thread fit on my jig fixture right out of the package, and the thermal black oxide looks clean and consistent across all 25 screws. I’ve already used a few in a high-vibration machine setup and they held tight with zero loosening.

Avery ★★★★★

I needed a strong, precise fastener for a tooling fixture, and the black oxide coating on these M24 screws gives them a nice, durable finish that resists wear. They threaded cleanly into my assembly with no binding, which saved me time.

Hannah U. ★★★★★

Installed these on a jig I'm building and the hex socket drive made tightening them in tight spots effortless. The black oxide finish looks professional and seems durable so far.