Multi-hole drill.
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Previously:
https://www.homemadetools.net/forum/...396#post166127
https://www.homemadetools.net/forum/...864#post156397
https://www.homemadetools.net/forum/...035#post112231
https://www.homemadetools.net/forum/...217#post165440
https://www.homemadetools.net/forum/...196#post169027
https://www.homemadetools.net/forum/...797#post171088