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Eijkelkamp Partners


Perc. drilling set hetero soils, CobraTT

Perc. drilling set hetero soils, CobraTT

Product code: 04.19.SC


  • Soil profile description and classification
  • Soil sampling above groundwater table
  • Soil sampling below groundwater table
  • Environmental soil research
  • Undisturbed sampling

The Eijkelkamp percussion drilling set for heterogeneous soils with gasoline powered percussion hammer (Cobra TT), is standard equipped for drilling to a depth up to 5 meter. The complete set contains: a gasoline driven percussion hammer with accessories and wooden transport box, various extension rods, coupling sleeves, percussion gouges (combination type for various types of soil) in various diameters and lengths, a core sampler for PVC sample tubes and foil liners, a mechanical rod puller, an universal casing and rod puller clamp, a rod puller extension for the extraction of the first gouge, a crow bar, accessories to empty and clean the gouge, a lifting jack with lever and chain, an utility probe for safe cable finding, stairs for use with the percussion hammer in the field, etc., and aluminium transport cases.

Benefits Percussion drilling set

  • Ideal for soil with bricks, large or many stones
  • The solution for city centres / industrial sites
  • Beautiful clean samples, no lubricants used
  • Extremely sturdy rods and gouges
  • Diameters allow efficient, rapid and light work
  • Can be combined with liner or foil sampling


  • Does not replace diamond core cutting
  • Not for fibrous material like (thick) roots
  • Porosity needed, not for dry glacial loams
  • Contact  for larger depths


The percusssion drilling sets of Eijkelkamp Soil & Water are equipped with RD32-connection extension rods and percussion gouges are screwed together using a coupling sleeve. The RD32-connection is used in firmer, dryer soils. The RD32-connection takes very little time to attach and take off. The RD32-rods connect together by means of a coupling sleeve, which means that the massive extension rods have the same diameter along the entire length, which makes them very strong.

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