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|Diameter:||99mm||Bits Shank:||COP44 DHD340 HD45A|
dth drilling tools,
rock drilling tools
Drive Chuck for down the hole hammer, bit shank cop44 hd45a dhd340
This drive chuck is using for Cop44 dth hammer or DHD340,HD45A DTH hammer.
The HD series dth hammer(Our company called QDL series ) is a kind of high air pressure dth hammer without footvalve,it also one of the most advanced dth hammer in the word.
The bits wihch is use on HD series hammers are without nylon tube. and this bit is the same with cop series,dhd series.
This hammer has the fpllwing characteristics:
1. Out of the trouble of foot valve fracture and expansion and contraction.
2. Lower energy consumption and higher impact frequency.
3. The drilling speed is 15%~30% higher than.
4. Simple structure,reliable parts ,long life,easy andcheap maintenance.
5. Lower air and oil consumption. the oil consumption is about 10% lower than the one with foot valve.
1. Before signing an official contract with our customer we will help to analyze and provide professional solution based on customer project information and come out with optimum solution.
Such as the equipment matching,bits face shape design,bits button design.
2. Your inquiry related to our products or price will be replied in 24hours.
3. Keep informing our customer production process and help arrange quality checking in the factory if necessary.
4. We supply one-shop service, we can supply you the bits , hammer , drilling rig ,air compressor uniformly.
5. Support product customization, research and manufacture according to your samples or drawings.