| Product Specifications |
Diameter 12 1/4"(311.1mm) IADC637G Bearing Type Rubber Sealed Bearing Cutting Tooth Type Tungsten Carbide Insert Drilling Circulation Type Mud Circulation Connection Thread Type 6 5/8 reg Male Gear Diameter Protection Yes Back Protection Yes |
| Operation Parameters | |
| Drilling Speed(r/min) | 80-40 |
| Drilling Pressure(KN) | 44-98 |
| Applicable Stratum | Hard formations with high compressive strength, such as sandstone, limestone, dolomite, anhydrite, marble, etc. |