High Air Pressure DTH Button Bits , 4 Inch Downhole Drilling Tools

High Air Pressure DTH Button Bits , 4 Inch Downhole Drilling Tools

DTH Button Bits Features:

1. Strict quality controlling
2. Selected high quality special steels and carbide
3. Produced by CNC machines
4. Simple and reasonable design, Low problem rate

DTH Button Bits Parameters

DTH Button Bits Different Buttons Shapes:

1. Dome / Round button
   Used as gauge buttons of DTH bits, suitable for very abrasive and very hard rock formation.
2. Parabolic / Semi-ballistic
   Used as gauge buttons and front buttons of DTH Bits, suitable for medium abrasive and hard rock formations.
3. Ballistic button
   Used front buttons of DTH bits, suitable for medium abrasive and medium hard formations. Also be used as gauge buttons for soft rock.