Changsha Chaojingang machinery manufacturing CO., Ltd
Super Diamond, The more use, the more efficient!
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High Efficiency DTH Hammer , 5 Inch Down The Hole Hammer Tungsten Carbide
| Length(without bit) | Weigth(without bit) | External diameter | Bit Shank | Hole range | Connection Tread | |
| 1214mm | 77.5kg | φ125mm | Cop54 DHD350R CD55 | φ135-φ155 | API2 3/8" Reg API3 1/2" Reg | |
| Working Pressure | Impact rate at 1.5Mpa | Recommended rotation speed | Air consumption | |||
| 1.0Mpa | 1.8Mpa | 2.4Mpa | ||||
| 1.0-2.5Mpa | 25HZ | 20-35r/min | 9m³/min | 15m³/min | 23m³/min | |
It has the following advantages:
valve air distuibution. 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 mult - step thread.
Advantages:
- Advanced hammer designs with high power and air efficiency increases productivity
- Tailored product offering covers all your applications and conditions
- Easy service and maintenance designs reduces machine downtime
- Generic and proprietary shank options give you flexibility and reliability
FAQ
Q1: Are you trading company or manufacturer ?
A: We are manufacturer (factory).
Q2: How long is your delivery time?
A: Generally it is 5-15 working days if the goods are in stock. Or it is 20-30 working days if the goods are not in stock, it is according to the quantity.
Q3. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q4. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery.
Q5: How do you make our business long-term and good relationship?
A: 1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.