412F Coring

The 412F series is a range of components which produces a 75mm core suitable for soft to medium hard geology.

It comprises of a core barrel head, inner and outer tubes, extension tube, core lifter, reaming shell and core bit. Different types of lifters, reaming shells and core bits need to be selected according to the application and geology.

It uses a thin wall double tube core barrel used in combination with metric casing and is easily converted to a triplex system with the addition of a Coreliner for increased core recovery.



  • Geotechnical investigation
  • Open cast mining exploration


  • Suitable for medium to hard geology
  • Double barrel system
  • Designed for soft to medium hard geology
  • Can be converted to triplex system with coreliner
  • Suitable for air flush
  • Good for coring with PDC bits
  • Barrel head thread to suit individual requirements

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