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Technical Specifications


5 1/8 MC10

Diameter: 130.2mm (5 1/8")  
IADC Code: 122C  
Design number: T118  
State standard designation: М-ПН  


Gradient angle of axle journal 33°
Axle journal offset relative to drill bit axis 0.00 mm
Bearing type Roller bearing
Sealing None
Total number of inserts (inner/heel row) 56 (22/34)
Total number of insert rows (inner/heel row) 8 (5/3)
Number of changeable nozzles 0
Connecting thread 3-76 ук. (-)
Drill bit net weight, kg 5.60
Drill bit gross weight, kg 6.10

Recommended Drilling Conditions

Rotation speed 115-60 rpm
Thrust load 3.00-8.00 t (6600 - 17600 lbs)
The lower level of rotation speed value corresponds the upper level of thrust load value and vice versa.



Design Features


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