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products > Pilot bit
IADC Code: 845
Bit Diameter: 250mm(9 7/8")
IADC: 837
Bit Diameter: 280mm(11'')
IADC Code: 825
Pin Connection: 6 5/8''API
Pin Connection: 7 5/8'' API
IADC Code: 837
Bearing Type: Roller-Ball-Roller- Thrust Button/Sealed Bearing
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