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Bit Size：17 1/2",444.5mm
IADC Code: 235
Thread Connection：7 5/8
API REG PIN Series：HR series rubber sealed bearing
Nozzle Qty：3NZ
Weight：250KG
WOB(KN/mm)：0.4-1.0
RPM(r/min)：80-50
Formations：Medium hard formation
Regular Models
PDC 3 7/8''
PDC 4 5/8''
PDC 4 3/4''
PDC 5 1/2''
Tricone 5 7/8''537
Tricone 14 3/4'' 117
Tricone 12 1/4'' 537
Tricone 10 5/8'' 537
Tricone 20'' 637
Tricone 15 1/2'' 517
Tricone 14 3/4'' 637
Tricone 12 1/4'' 637
Tricone 12 1/4'' 437
Tricone 8 3/4'' 617
Tricone 12 1/4'' 537
Tricone 9 7/8'' 517
Drag bit 9 7/8''
Drag bit 15''
Drag bit 8 1/2''
Drag bit 7 1/2''
Tricone 22''517
Tricone 20'' 127
Tricone 17 1/2'' 217
Tricone 17 1/2'' 637
Hole opener 18''
Hole opener 14''
Hole opener 16''
Hole opener 12 1/4''
Tricone 9 5/8'' 737
Tricone 9 5/8'' 637
Single cone 8 1/2''
Single cone 8 1/2''
Bit Size：17 1/2",444.5mm
IADC Code: 235
Thread Connection：7 5/8
API REG PIN Series：HR series rubber sealed bearing
Nozzle Qty：3NZ
Weight：250KG
WOB(KN/mm)：0.4-1.0
RPM(r/min)：80-50
Formations：Medium hard formation
Regular Models
PDC 3 7/8''
PDC 4 5/8''
PDC 4 3/4''
PDC 5 1/2''
Tricone 5 7/8''537
Tricone 14 3/4'' 117
Tricone 12 1/4'' 537
Tricone 10 5/8'' 537
Tricone 20'' 637
Tricone 15 1/2'' 517
Tricone 14 3/4'' 637
Tricone 12 1/4'' 637
Tricone 12 1/4'' 437
Tricone 8 3/4'' 617
Tricone 12 1/4'' 537
Tricone 9 7/8'' 517
Drag bit 9 7/8''
Drag bit 15''
Drag bit 8 1/2''
Drag bit 7 1/2''
Tricone 22''517
Tricone 20'' 127
Tricone 17 1/2'' 217
Tricone 17 1/2'' 637
Hole opener 18''
Hole opener 14''
Hole opener 16''
Hole opener 12 1/4''
Tricone 9 5/8'' 737
Tricone 9 5/8'' 637
Single cone 8 1/2''
Single cone 8 1/2''
