Deep Done Differently

Deep Done Differently

Trepanning--another way to produce deep holes.

July 1, 2001By John Shaffer

Trepanning--another way to produce deep holes.

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Glossary terms in this article

  • trepanning
    Drilling deep holes that are too large to be drilled by high-pressure coolant drills or gundrills. Trepanning generates a solid core and normally requires a big, powerful machine…