8 1/2'' 215.9mm Tricone Single Roller Cone Bit for Core Barrel
2025-04-13
introduction 2430
Customized
API
250mm
PDC Drill Bit
PDC Cutter+Steel Body
Well Drilling, Geological Exploration
Coal Mining, Quarry Drilling, DTH Drilling
3"~26"
Air/Sea/Express
High Performance
Xuchang Yuanhong
Wooden Packing
200*200*250
China
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