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Overburden Coring

  • 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...

  • 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.