High Air Pressure DTH Hammer

1.Compatible with the bits of COP/DHD/QL/SD series.
2.Simple piston structure increases its lifetime.
3.Adopt valveless air distribution. Simple structure makes it easy for dis-assembly.
4.With faster drilling speed and less power consumption.
5.Adopt multiple thread to connect sub and drive chuck, which is easy for dis-assembly.
6.Adopt fine alloy steel and apply hardening treatment on the spare parts which prolongs DTH hammer lifetime and lifts reliability.