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Help Center4" Inch Hydraulic (Cop44 DHD340) Rock Drilling Dth Hammer
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Specifications
4" inch dth Hammer:1.efficient energy transfer
2.faster drilling speed
3.lower oil consumption
4.longer life
4" inch Hydraulic Cop44/DHD340 rock drilling dth hammer:
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
It has the following advantages:
- Valveless air distribution. More reliable.
- Simple design of the piston, long life.
- More efficient energy transfer, faster drilling speed, lower air consumption and lower oil consumption.
- Fewer internal parts, simple structure, longer life, less failure and easier to maintain because all the parts are heat treated.
- Easy to disassemble because the top sub, the drive chuck and the external cylinder are connected by multi-step thread.
Style |
Length |
Weight |
External |
Bit Shank |
Hole Range |
Connection |
ND45/Cop44/DHD340 |
1030mm |
39.00Kg |
99mm |
Cop44/ |
110- 135 |
API 2 3/8"Reg
|
SD4 |
1084mm |
40.50Kg |
99mm |
SD4 |
110-135 |
API 2 3/8"Reg |
QL4 |
1097mm |
41.00Kg |
99mm |
QL40 |
110-135 |
API 2 3/8"Reg |
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
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