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API Thread Adaptor Sub, Crossover Subs for Drill Bit
2025-04-13
introduction 2850
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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