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Unique steel tooth structure effectively improving the wearing resistance of the teeth and greatly increasing the rate of penetration.
Enhancedgauge protectionwithhardfacing on the shirttail, strengthenedleg with special insert tungsten carbide.
High precision journalbearing,hardfacedbearing surface. Cone bearing inlaid with friction reducing alloy and then silver-plated,made the rotating more stability, safety and durability.
Seal and Lubrication
Patented uniquemetal seal can enhance the seal performance,it has longer durability than the rubber seal .The compensationbearinggrease system greatly increase the lubricating reliabilityand improve the bearing life effectively.
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.