DTH Hammer Models: 60,70,76,80,110,170
Hole Diameter: 60--200mm
Working air pressure: 0.5-0.7MPa     

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Features:

Close weight of piston and bit makes momentum transfer in best condition
High single-impact power, low power consumption in drilling
Suitable choice of raw material, advanced processing technology and perfect quality warranty
With hardened treatment, drilling life can be extended and then cost can be reduced

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Structure of  DTH Hammer

 
Common type of DTH bit