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Roller Reamer Bit TCI Hole Opener for Directional Drilling
2025-04-13
introduction 3390
18 inch
Customized
AISI, API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
Drilling Tool
Forging
High-Efficiency ,Wear Resistant
Journal /Roller Bearing Bit
4 1/2" API Regular
LONGYUE
Wooden Case
18''
Hebei, China
8431432000
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