| Product Specifications |
Diameter 14 3/4"(374.6mm) IADC537G Bearing Type Rubber Seal Bearing Cutting Tooth Type Tungsten Carbide Inserts Drilling Circulation Type Mud Circulation Connection Thread Type 7 5/8 reg Male Gear Diameter Protection Yes Back Protection Yes |
| Operation Parameters | |
| Drilling Speed(r/min) | 120-50 |
| Drilling Pressure(KN) | 168-374 |
| Applicable Stratum | Soft to medium formations with low compressive strength such as medium-soft shale, medium-soft limestone, medium-soft sandstone and medium formations with abrasive interlayers of harder rocks. |