Drill Holder for Square Hole Boring

Combines a drill bit holder for square boring with a 43mm drill holder. 12 step indexing for different angles.
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12
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43
updated January 27, 2025

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20.09.24:

reduction ring to regular 43mm added.

 

27.01.25:

 

Closed version now is added for easier printing.

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The author marked this model as their own original creation.

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