8 1/2 Tricone Bit Thirds Roller Cone Bit , Metal-face Sealed Bearing For HDD Rock Reamer
8 1/2 Tricone Bit Thirds Roller Cone Bit , Metal-face Sealed Bearing For HDD Rock Reamer
keyword:
8 1/2 Tricone Bit
HDD Rock Reamer
Thirds Roller Cone Bit
Classification:
Introduce
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| Application | Hard formations with high compressive strength, such as sandstone, hard shale, dolomite, hard gypsum, chert, granite, etc. | ||
1>Cone-diameter of 8 1/2" tricone bits is 133 mm;
2>Steel raw materials 15CrNiMo for the arm and 15MnNi4Mo for the cone;
3>The metal-face sealed bearing make the working life is extremely long which supports to finish drilling at one time.
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Regular Models
Applications
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Related Catagories
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| PDC Bits | Hole Opener | Roller Cones (Thirds) | Piling Roller Cones |
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