The most recent submissions are listed first.
| Digest Nr | Subject and Author |
 |
| 2015.06.19.04 | Chuck for Small Drill Bits, from John Dewey |
| 1998.04.08.16 | Drill Bit For Tapered Holes, from Dave Clark |
| 1998.03.02.18 | Osborn Punches and Forstner Drill Bits, from Don Teach |
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