Introduction Of Products
Specification:
Quality:
Product Origin:
Other Message: |
Application hard formation with high compressive strength,such as sandstone, limestone,dolomite,hard gypsum,marble,etc.
Special
Features
IADC Code: 637
Bearing: Rubber/Metal bearing
Circulation: Air
PIN Connection: 6 5/8'' API reg
Bit Diameter: 311mm
Bit Weight: 95Kg
Operating Suggestions WOB(Weight on bit): 0.5-1.2
Rotary speed: 80-40rpm
Make up torque: 38-43.4 |
