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| Place of Origin | CHINA |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 70 73 76 89 |
CHD76 DRILL RODS
ROSCHEN CHD76 Drill Rod is manufactured using high quality “tool joint” pin and box threads. It is friction welded to a “mid” body cold drawn tube stock. The threads give these rods unprecedented strength in both tensile and torque, coupled with the security of friction welded joints these rods surpass any other rod on the market for directional drilling.
These rods can be supplied in 1.5m or 3m pipe lengths and are pre-machined to suit internal survey equipment as standard supply.
Specifications:
Maximum Torque 6550 Nm
Maximum Tensile Force 545.5 Kn
| CHD Drill Rods Specifications | ||||||
| No. | Std. | Length(m) | Rod OD*WT(mm) | Adaptor OD*ID(mm) | Grade | Depth(m) |
| Conventional Drilling | ||||||
| 1 | CHD76 | 4.5 | 71.0*5.5 | 74.0*55.0 | ZT850 | 4000 |
| 2 | CHD98 | 4.5 | 91.0*5.8 | 94.0*74.0 | ZT850 | 3600 |
| Scientific Drilling | ||||||
| 1 | CHD101 | 4.5 | 93.0*6.0 | 95.0*68.0 | ZT850 | 4800 |
| 2 | CHD127 | 4.5 | 114.3*6.2 | 119.0*96.0 | ZT850 | 3600 |
| 3 | CHD135 | 4.5 | 127.0*6.8 | 131.0*110.0 | ZT850 | 1200 |
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