Expandable Jet Drill Bit

• Circulation used more efficiently to open and jet kerf various rock.
• Air, air mist, water or drilling mud circulation may be used.
• More efficient rock removal with lower percentage of rock disintegration and straighter hole.
• Reduced drill string torque which is easier on drill string.
• Reduced hole problems with expandable blades.
• Various tipping materials available including:
  • Tungsten carbide rollers
  • Tungsten carbide disc cutters
  • PDC (polycrystalline diamond compact) disc cutters
  • Hardfacing
• Special alloy steel with high hardness and impact strength.
• Various closed and open diameters available.
• Numerous Expandable Jet Drill Bit sizes available. Please contact us as to closed diameter to open diameter combinations.