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All sizes and IADC codes of drill bits are available.Special requirements of different models can be customized.If you need,please feel free to contact me,will provide you the best price!
IADC:645 | |
ID:WFN021 | |
DATE:June.2016 | |
Design Specifications | |
O-ring sealed journal bearing | Journal bearing structure with head bearing hardfaced and cone bearing silver plated to improve load capacity and anti-galling ability of the bearing. More wear and high-temperature resistant highly s |
Cutting structure | Hardfaced gage and tooth surfaces. |
Hardfacing on shirttail | This feature can provide better protection for seal and bearing to extend the bit’s service life. |
Technical specifications: | |
IADC Code: | 645 |
Weight: | 90 KG |
Package: | 35×39×52 cm |
Operating Parameters
Recommended operating parameters: | |
Bit Pressure: 0.4 ~ 0.85 KN | |
Rotary Speed: 60 ~ 180 r/min | |
Pumping Pressure: 8 ~ 18 Mpa | |
Sediment Concentration: < 0.5% | |
The above parameters are only for reference. Optimized parameters are determined by drilling process and lithology of formations on site. |
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