name
3.5" 4" 6" Inch High Air Pressure Mining Bits And Hammer DTH
Quality
95% closed to Atlas ect.
Superiority
high quality and factory prices
Application
Mining or marble quarry or water well drilling
Type
low/middle/high air pressure
hammer size
3"/3.5"/4"/5"/6"/8"/10"/12"
Bit face
Center drop/Flat/convex/concave/double gauge face bits
Button shape
Round/parabolic/Ballistic/sharp/falt botton