Tricone Bit Three Cone Rock Drill Bit For Oil Rig And Mining
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- Supplier: T-Dragon Shanghai Construction Machinery Co. Ltd.
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Product Overview
Description
Products Description
Type specification（inch） | 8 3/4 |
Type specification（mm） | 222.2mm |
IADC | 117 |
Additional features | G |
Formation | Soft Formation of Low Crushing Resistance and High Drillability |
Drilling condition | rotary drilling、high temp.drilling、deep drilling、motor drilling |
Bearing Type | journal bearing |
Total teeth count | 50 |
Gage row teeth count | 26 |
Number of gage rows | 3 |
Number of inner rows | 4 |
Journal angle | 33° |
Offset | 8 |
API connection(REG pin) | 4 1/2 |
Weight on bit(KN) | 78-200 |
Rotary speed(Rpm) | 300-60 |
Recommened upper torqueKN.M | 16.3-21.7 |
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