DTH bits,Well Drilling,PDC bits,PDC drilling bit,Drag bit,Rotary bit,Oil Drilling,Rock drilling,Rotary drilling,Down the hole. 1. Short parabolic crown profile, medium cutter density.2. Interchangeable screw nozzle.3. Surface polished cutters reduce ,shear forces, SignificantlyImproving cuttings removal ,ROP and drilling efficiency.4. Structured diamond/carbide interface .Cutter delays the onset ...