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Technical Specifications

 

10 3/16 M65

Diameter: 258.0mm (10 3/16")  
IADC Code: 632Y  
Design number: T217  
State standard designation: ТКЗ-ПГВ  
 

Specification

Gradient angle of axle journal 36°
Axle journal offset relative to drill bit axis 0.50 mm
Bearing type Roller bearing
Sealing None
Total number of inserts (inner/heel row) 150 (97/53)
Total number of insert rows (inner/heel row) 12 (9/3)
Number of changeable nozzles 3
Connecting thread 3-121 ук. (-)
Drill bit net weight, kg 52.50
Drill bit gross weight, kg 54.90
 

Recommended Drilling Conditions

Rotation speed 115-60 rpm
Thrust load 8.00-21.00 t (17600 - 46200 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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