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Mini Chuck 1/4" (6.35mm) long-shank quick-connect handle — image 1
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Mini Chuck 1/4" (6.35mm) long-shank quick-connect handle

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Remix of Ibarbisch's 1/4" (6.35mm) quick-connect hex bit handle to fit a small keyless chuck from Aliexpress

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Model information

Category
Tools
License
Creative Commons — Attribution

This will snugly fit this 0.3-8mm keyless drill chuck on Aliexpress.

If you find it is a tight fit you could either print slightly larger or lightly run a file/sandpaper over the faces on the shaft of the chuck.

Modifications from the original:

  • Hex hole extended to fit the shank of the chuck
  • Circular clearance added for the threaded part of the chuck.
  • Magnet removed (friction fit is more than enough)

The steepest overhang is 45° if you print it with the flat part against the printbed. No supports necessary.

There is an internal depth for 60mm of hex shaft, and 10mm thread clearance at the top, if you want to use it for other things.

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