Hunan New Diamond Construction Machinery Co., Ltd.
Hunan New Diamond Construction Machinery Co., Ltd.
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DTH Spare Partss of back hammer Quarrying and Ore Mining and Well Drilling
Description
In case of jamming of any drilling tool during the boring process, the back hammer will help you save time and money.
The back hammer may be mounted on the drill pipe joint between the borehole gripper and the swivel head, thus, creating a combined effect of effective reverse impact and vibration.
Sturdy and reliable, the back hammer is composed of three components and a plastic housing which acts both as an exhaust emission guider and a muffler. With regards to the maintenance, it’s only necessary to keep it clean and the linking section well protected when the back hammer is not working.
Applications
It is mainly used in geological exploration, coal mine, water conservancy and hydropower, highway, railway, bridge, construction and so on.
Specifications
| Product | Pressure | Thread |
Total Length (mm) |
Outer Dia (mm) |
Weight (kg) |
| NBH14 | 8Bar | API 31/2” | 510 | 180 | 31.0 |
| NBH16 | 8Bar | API 31/2” | 540 | 200 | 44.0 |
| NBH19 | 8Bar | API 31/2” | 540 | 225 | 63.0 |
Feature Advantage
22 years of professional R & D and production
1. Factory direct marketing: minimizing costs
2. quality assurance: professional heat treatment technology, high wear resistance.
3. inventory guarantee: stable inventory, product specifications, models rich.
4. after sales guarantee: after sales service system at night, rest assured.