• TECHKNOW
  • TECHKNOW

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    Dock/Undock
    NEW FAQ ADDED
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    Deep holes are defined by a ratio between the hole depth and the hole diameter.
    Deep hole ratio depths are more than 10x the diameter and up to 150x the diameter ratio.
    There are 3 types of deep drilling methods:
    Gundrills
    STS (Single tube system)
    DTS (Double tube system)

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