LK TCI bits
Cutting Structurc
The durability of premium tungsten carbide inserts is improved with new formulas and new techniques.
Gauge Structure
Gauge protection with gauge inserts on the gauge surface of the cone,tungsten carbide inserts and hardfacing on the shirttail increases gauge holding capability.
Bearing Structure
Air cooing roller bearing package.Balls lovk the cone ,which reduces the probability of cone-dropping to the minimum.
Product application
It is suitable for mining applications
Curent Availabilitv
| Bit Size | Bit Tyep |
| in mm | |
| 9 7/8 250.8 | FK512G FK542G FK612G FK732G |
Recommended Drilling Parameters
| IADC | WOB(kM/mm) (Bit Dia) | RPM(r/min) | Applicable Formations |
| 512 | 0.35--0.7 | 120-60 |
Soft formations with low compressive strength and high drillability,such as mudstone,gypaum,salt,soft shale ,soft |
| 542 | 0.4---0.8 | 100-60 | Soft medium formations with low compressive strength ,such as medium soft shale, medium soft limestone, medium soft sandstone ,medium fomation with harder and abrasive interbeds,etc. |
| 612 | 0.5---0.9 | 100-60 | Medium hard formations with high compressive strength, such as hard shale,limestone, sandstone,dolomite,etc. |
| 732 | 0.6---1.1 | 90-50 | Medium to high abrasive hard formations such as hard shale, hard limestone, sandstone,siltstone, basalt, granite,quarts sandstone,hard dolomite,hard limestone, pynte,etc. |
Note: The upper limits of WOB and RPM in above table should not be used simultancously.
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