DTH Drill Bits

     DTH Drill Bits Advantage

1. High and low air pressure down-the -hole drill bits.
2. Low air pressure hole Dia.: 65-220mm.
3. High air pressure hole Dia.: 85-305mm.
4. Face type: concave/ convex/ flat.
5. Bit Shank Series: COP, DHD, QL, SD, Mission, TD, BR etc.
6. Button Shape: Dome/ Spherical, Balistic.

      DTH Drill Bits Parameters