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Technical Specifications

 

6 3/4 M75

 Diameter: 171.4mm (6 3/4")  
IADC Code: 732Y  
Design number: T539  
State standard designation: К-ПГВ  
 

Specification
Gradient angle of axle journal 36°
Axle journal offset relative to drill bit axis 0.00 mm
Bearing type Roller bearing
Sealing None
Total number of inserts (inner/heel row) 127 (83/44)
Total number of insert rows (inner/heel row) 12 (9/3)
Number of changeable nozzles 0
Connecting thread З-88 (3 1/2 REG)
Drill bit net weight, kg 19.50
Drill bit gross weight, kg 20.50
 

Recommended Drilling Conditions
Rotation speed 115-60 rpm
Thrust load 8.00-15.00 t (17600 - 33000 lbs)
The lower level of rotation speed value corresponds the upper level of thrust load value and vice versa.
 

Purpose
 

Design Features








 

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