Specifications
dth Hammers China manufacturer:1.efficient energy transfer
2.faster drilling speed
3.lower oil consumption
4.longer life
3" 4" 5" 6" 7" 8" 10" 12" dth hammers China manufacturer :
1. 10 years manufacturing experience;
2. Certificate: ISO9001:2008
3. Material: Carbide
4. Manufacturer
5. Accept OEM for all sizes.
Description & Specification
hammers and bits
model: QL, COP, SD, DHD, MISSION, BR, CIR, BR
delivery time: 25days
Product Name: | hammers | |||||
Description: | down hole hammer were used for blast hole drilling and water well drilling project. Working with DTH drilling pipe and DTH drill bit, mainly applied in Mining, Marble quarry or well drilling and other construction projects. | |||||
Quality level: | 95% similarity to COP/SD/MISSION/QL/BR/DHD etc famous brand | |||||
MOQ: | No requirement for testing and trial order | |||||
Series: | COP/ SD/ DHD/ IR/ Mission/ QL/ BR/ CIR etc | |||||
| ||||||
Specification: | Weight (kg) | External Diameter (mm) | Connection thread | Hole rang (mm) | Impact rate | Recommended rotation speed |
Low air pressure DTH hammer CIR type | 5 ~22 | 50~180 | CIR** | 55~200 | 820 rpm |
|
Middle air pressure BR & COP type | 10~30 | 70~110 |
| 85~115 |
|
|
3 inch DTH hammer COP34/QL30 etc | 24.5 | 81 | API 2 3/8 Reg | 90~110 | 28Hz (at 17 bar) | 28 r/min |
4 inch DTH hammer COP44/DHD340 etc | 39.2 | 99 | API 2 3/8 Reg | 110~150 | 27Hz (at 17 bar) | 25~40 r/min |
5 inch DTH hammer COP54/Mission50 etc | 71.5 | 125 | API 2 3/8 or API 3 1/2 Reg | 135~165 | 25Hz (at 17 bar) | 20~30 r/min |
6 inch DTH hammer COP64/QL60 etc | 98 | 142 | API 3 1/2 Reg | 152~216 | 23Hz (at 17 bar) | 15~25 r/min |
8 inch DTH hammer COP84/SD8 etc | 188 | 180 | API 4 1/2 Reg | 203~305 | 20Hz (at 17 bar) | 15~20 r/min |
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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