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API Standard Crossover Sub for Connect Water Well Tricone Bit and Pipe
2025-04-13
introduction 4950
Customized
AISI, API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
Drilling Tool
Forging
High-Efficiency ,Wear Resistant
Oil,Gas,Wells
Soft to Hard
LONGYUE
Wooden Case
3 1/2'' API REG
Hebei, China
8207191000
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