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Tricone Bit Rock Bit for well drilling / FHJ/HJTSeries Metal Sealed Bearing Bit

Dongying Safe Petroleum Technology Co,.Ltd
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Tricone Bit Rock Bit for well drilling / FHJ/HJTSeries Metal Sealed Bearing Bit

Tricone Bit Rock Bit for well drilling / FHJ/HJTSeries Metal Sealed Bearing Bit

Product Description HJ/HJT Series Tricone Bit Diameter from 7 7/8-17 1/2 inch,IADC Code from 437 to 547 Cutting Structure Enhancing the wear-resistance of cutting tooth by welding new type of wear ...

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