Diamond drill heads provide large penetrations per flight is recommended when drilling at great depths in the rocks of medium hardness and hard.
Specifications
IADC CODE | M715 |
The number of blades | 18 |
Square grooves | 0.8~1.5 in2 |
The structure of the incisors | Natural diamond |
The bearing length part | 1-1/2" (38.1 mm) |
Torque the upper buckle | 13.4~16.3 KN•m |
The size of core barrel | 6-3/4"×4" |
Performance parameters
Output volume | 10~30 L/S |
The speed of rotation | 40~80RPM |
The load on the drill bit | 30~80 KN |