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TCI Tricone Hard Rock Drilling Bit for Water Well Drilling
2025-04-13
introduction 3220
8 1/2''
Customized
AISI, API
Taper-length
Center Drill Bit
High Carbon Steel
Well Drilling
Drilling Tool
Forging
High-Efficiency ,Wear Resistant
Journal /Roller Bearing Bit
Medium Hard Formation
LONGYUE
Wooden Case
Hebei, China
8207199000
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