| Product Specifications |
Diameter 5 7/8" Bearing Type Rubber Sealed Bearing Cutting Tooth Type Steel Tooth/Milling Tooth Drilling Circulation Type Mud Circulation Connection Thread Type 3 1/2 reg Male Cutting Wheel Diameter Protection (Gage Guard) None Back Protection None |
| Operation Parameters | |
| Drilling Speed(r/min) | 150-60 |
| Drilling Pressure(KN) | 52-142 |
| Applicable Stratum | Medium formations with high compressive strength, such as medium-soft shale, anhydrite, medium-soft limestone, medium-soft sandstone and soft formations with hard interlayers. |