8" DTH Drill hammer ( COP84, DHD380, QL80, SD8)

8" DTH Drill hammer ( COP84, DHD380, QL80, SD8):

1. 10 years manufacturing experience;

2. Certificate: ISO9001:2008

3. Material: Carbide steel

It has the following advantages:

1. Valveless air distribution. More reliable.
2. Simple design of the piston, long life.
3. More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
4. Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
5. Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.

 8 INCH DTH Hammer Technical Data:

down the hole hammer | martillo de fondo | o martelo buraco | marteau fond de trou | Imlochhammer | martello | a lyukba kalapács | alasuppovasara | síos an poll casúr | ned i hullet hammer | ned i hullet hammer

down the hole bit | por el poco agujero | baixo o bit buraco | vers le bas le bit de trou | in das Loch Bit | il bit del foro | a lyukba bit | síos an poll giotán | ned i hullet bit | ned i hullet bit