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overburden coring system

  • Non Coring Bit

    Non Coring BitNon Coring Bit Terracore poly diamond chrystaline non coring bits Core Sampling The Terracore range also includes non-coring bits for open-hole drilling and hole cleaning. The non-coring bit range also provides complementary bit tools for drilling grout holes. The Terrcore range offers a diamond...

  • Concentric Drilling And Casing System

    Concentric Drilling And Casing SystemRoschen CDC system can be used to install casings in many different types of overburdens, and in all types of natural formations. The CDC system drills straight holes and penetrates boulders easily. The system is designed for use with permanent casings, which are welded together progressively during drilling and left in the hole. It can be used to drill and case comparatively deep holes, depending on the application, hole inclination, and ground conditions.

  • Tubex 140 System Down The Hole Drilling

    Tubex 140 System Down The Hole DrillingTubex 140 system TUBEX XL Product range Reaming diameter 187 mm for Overburden tools TUBEX XL Product range Below is a presentation of Roschen's systems of Overburden tools. DTH casing advancement systems Roschen Tubex system quality can be replaced of by Boart Longyear tubex system, atlas...

  • Eccentric Overburden Drilling Systems

    Eccentric Overburden Drilling Systems. Available for casing sizes from 114mm (4 1/2") to 273mm (10¾") diameter Simple two-part design for better transfer of energy to Bit face . Optimal drilling performance in unstable ground conditions . The Eccentric Bit can be easily and quickly removed for replacement or refurbishment . "open and closed" locking arrangement inside the bit holder so nothing can prevent the Eccentric Bit from closing

  • Halco DTH Tools Hammers Selection Guide For High Frequency Overburden Drilling

    Halco DTH Tools Hammers Selection Guide For High Frequency Overburden DrillingThe Mach 60 is a general purpose hammer suitable for all rock conditions at a wide range of air pressures. The hammer is fitted with a reversible cylinder to prolong service life. Mach 60 is versatile and reliable, requiring only a few simple tools for servicing and maintenance. Mach 60 is very economical to operate due to its relatively low air consumption and has a unique Mach 60 shank for full bit support. This hammer is most suited for use with the Sim-Cas Overburden system because of the high frequency of the piston/cycle.