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| Categories | Accessories or drilling tools |
|---|---|
| Model Number: | all size |
| Certification: | ISO9001-2008 |
| Place of Origin: | China |
| MOQ: | 1 |
| Price: | USD1-10000 |
| Supply Ability: | 500 PCS PER MONTH |
| Packaging Details: | polywooden box |
RC Reverse Circulation Donw-the-hole Hammer And Hammer Bit
ADD.: NO.1 Kuaileli, Xiaolongkan Street, Shapingba District, Chongqing China.
Website: www.lucydrillingrig.com; Email: lucyfang16@yahoo.com, lucyfang15@yahoo.com
Wechat and what's app: 008613628481197, QQ: 843683632
Phone number: +8613628481197, +8615923510719
The DTH hammer flushes cuttings out of the hole on the outside of the hammer, while the RC hammer collects all cuttings through the centre of the hammer
| name | CSTF335 | CSTF345 | CSTF355 | CSTF365 | CSTF385 | CSTF3105 | CCSTF3125 |
| OD(mm) | Ø85 | Ø105 | Ø124 | Ø154 | Ø190 | Ø245 | Ø270 |
| length(mm) | 1143 | 1281 | 1292 | 1345 | 1578 | 1440 | 1430 |
| center hole dia.(mm) | Ø33 | Ø36 | Ø36 | Ø61 | Ø61 | Ø75 | Ø85 |
| working pressure(MPa) | 0.7~2.1 | 0.7~2.1 | 0.8~2.1 | 0.8~2.1 | 0.8~2.1 | 0.8~2.4 | 0.8~2.4 |
| air consumption(m³/min) | 4.2~11.7 | 5.7~14.2 | 6.5~19.3 | 9~18 | 12~30.8 | 15~34 | 20~37.8 |
| impacting frequency(times/min) | >=800 | >=800 | 810~1200 | 600~1100 | 660~1208 | 600~1230 | 600~1150 |
| thread of rear sub | API 2-3/8"Box | API 2-7/8"Box | T91-3Box | API 4-1/2"Box | API4-1/2" Box | API 4-1/2“Box | API 4-1/2" Box |
| drilling hole dia.(mm) | Ø95 ~Ø105 | Ø115~Ø130 | Ø130~Ø155 | Ø160~216 | Ø203~Ø254 | Ø254~Ø305 | Ø311~Ø381 |
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