We have different type of rotator, they
  can suitable with our machine.

  We also have a wide range of drill heads
  for most applications such as jet
  grouting, coring, rotary drilling and pile
  boring.

  HD offers a range of DTH hammers and
  underreaming systems, both
  conventional and reverse-circulation
  (RC).

  HD manufactures a range of high
  pressure airline lubricators for large
  diameter DTH hammers.

  HD manufacture hydraulic cylinders and
  ancillary devices for a wide range of
  applications including:
 *  Clamps to mount onto masts of drilling
    rigs.
 *  Casing pulling units for rod and casing
   retrieval.

   HD casing extractor / casing pulling unit
   are desiged for casing O.D. up to
   813mm. The clamping device evenly
   distribute the clamping force to avoid
   deformation of casing.

  Drill Rod

  *   Hexagon Type
  *   Thread Type