Product name:Button Bit DTH Hammer
Advantage:Best Service
MOQ:200
Name:Concave Drill Bit Water Drill Bit
Certification:API and ISO
Application:Mining&Coal&Well
Name:Concave Drill Bit Rock Drill Bit
Material:Tungsten Carbide
Use:water and oil well drilling
Name:6inch 3 Blades Concave Drill Bit
Certification:API and ISO
Connection:API REG