Drill bit induction forming machine.
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Previously:
https://www.homemadetools.net/forum/...856#post217020
https://www.homemadetools.net/forum/...474#post177728
https://www.homemadetools.net/forum/...791#post136958
https://www.homemadetools.net/forum/...006#post187385
https://www.homemadetools.net/forum/...731#post223447
