Diamond Core Drill Bits

TMG Manufacturing offers a full line of diamond impregnated core bits, reamers (reaming shells), and casing shoe's for the wireline drilling and coring industry.

These bits are used with standard wireline core barrel assemblies and are manufactured with the highest quality materials for superior cutting performance and longer life.

  • BWL Core Bits (59.9mm O.D. - 36.4mm I.D.)
  • NWL Core Bits (75.8mm O.D. - 47.6mm I.D.)
  • HWL Core Bits (96.7mm O.D. - 63.5mm I.D.)
  • PWL Core Bits(122.0mm O.D. - 84.9mm I.D.)
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