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API 12 1/4 Inch IADC 637 Tricone TCI Rock Bit for Sale
2025-04-13
introduction 3520
12 1/4"
Customized
DIN, JIS, AISI, API
12 1/4
Center Drill Bit
Tungsten Carbide
Well Drilling
Customized
Drilling Tool
High-Efficiency, Wear Resistant
3.5 Inch-36 Inch
Water Well, Gas, Oil
Soft to Hard
Longyue
Wooden Case
12 1/4"
Cangzhou
8207199
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