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19 Inch Factory Sale API High Quality TCI Tricone Bit IADC 637

2025-04-13 introduction 2750
19inch IADC 537
Forging
Spray-Paint
Carbon Steel
IADC 537
Journal Bearing
6 5/8′′reg
Rubber Sealed& Metal Sealed
ISO 9001:2000
Wooden Case
Hejian, Cangzhou, China
8207191000
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