• 
  Standard V ring type：
  • Can be used on most impregnated core bits
  • Great fluid circulation from the inside to the outside
  • Available with wider or larger waterways
• 
  Turbo type：
  • Greater ejection of fluids and cuttings
  • Reduced contact area with the same flushing performance
  • Recommended for higher rotation speeds
  • Available with wider or larger waterways
• 
  Face Discharged type:
  •Recommended for very soft and broken ground
  •The face discharge ports offer excellent flushing to prevent blockages in the waterway channels
  •Available with wider or larger waterways
• 
  Vortex type：
  •Recommended for very hard, abrasive and broken ground
• 
  Non-core Type：
  •Work together with down hole motor, such as directional drilling
  •Downhole accident may be appropriate as well

Size Available