Mini Tap Wrench
thingiverse
Miniature Tap Wrench This handle was designed to be a quick print when a wrench cannot be found but a thread needs tapped. I've used it to tap plastic successfully, but it may not be a strong enough handle for harder materials. The square hole is tapered to allow for a snug fit. How to tap a hole: https://youtu.be/U5QU_3qUigk
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