


9 1/2 Roller cone bit IADC637 Metal-face Sealed Bearing For HDD Rock Reamer
9 7/8 Roller cone bit IADC637 Metal-face Sealed Bearing For HDD Rock Reamer
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Introduce
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Application | Hard formations with high compressive strength, such as sandstone, limestone, dolomiye, hard gypsum, marble, etc. |
The OD of this roller cone is 150mm, it is for building 9 7/8" tri-one bits, it is one-thirds(1/3) of 9 7/8" tricone bit.
We guarantee it is almost the best quality roller cone bit in the world at the same size.
The price is higher than Elastomer sealed bearing roller cone bit, but the cost-performance(cost of drilling per meter) is much higher than Elastomer bearing ones in drilling very deep well or very long and hard HDD projects, the working life is extremely long which supports to finish drilling at one time.
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PDC Bits | Hole Opener | Roller Cones (Thirds) | Piling Roller Cones |
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CNTACT US
No.319-324, F1, Shoulashou Int'l. Autoparts Center,Shijing Road,Hejian City, Hebei Province, China
