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6 3/4" 171mm 6 Blades PDC Drill Bits Oil Well Drilling Bits Steel Body PDC Rock Bit Rotary Diamond Oil Field Drilling
2025-04-13
introduction 2660
Customized
API
Well Drilling
Coal Mining, Quarry Drilling, DTH Drilling
2"~26"
Air/Sea/Express
High Performance
Xuchang Yuanhong
Wooden Packing
200*200*250
China
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