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High quality tungsten carbide steel teeth with unique wear/compact resistance.
Enhancedgauge protectionwithhardfacing on the shirttail, strengthenedleg with special insert tungsten carbide.
High precision rollingbearing,hardfacedbearing surfaceand bearing roller. Cone bearing inlaid with friction reducing alloy and then silver-plated,made the rotating more stability, safety and durability.
Seal and Lubrication
The bearing seal is adapting the high quality HNBR O-ring. The best seal compression and the radial seal structure can enhance the seal performance. The compensation system and the high quality bit grease can limit pressure differential, and greatly increase the lubricating reliability.
Very soft formations with low compressive strength,such as shale/clay/ sand stone/soft limestone.etc.
We supply different size of this type of bit as clients' requirement.