Check List Aid to Good Tapping

  • Use recommended tapping drill (ream for consistency).
  • Select the correct tap, i.e., taper, plug, spiral point, etc.
  • Use a pitch controlled tapping attachment.
  • Choose speed to suit conditions.
  • Use the recommended lubricant.
  • Keep the tap sharp, regrind by machine only.
  • Check material for hardness periodically.
  • Check gages for wear.